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Rénergie Multi-Action Lift And Firm Anti-Aging Night Cream Moisturizer
Lancôme
$140.00 - $180.00
View Product ↗Ingredients
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Dimethicone is a silicone-based ingredient that forms a smooth, protective layer on your skin. It helps lock in moisture, creates a soft feel, and is commonly used in moisturizers and primers to improve product texture and skin hydration.
Benefits
- Improves skin hydration by creating a moisture-barrier layer
- Provides a smooth, silky feel to products and on skin
- Well-tolerated by sensitive and atopic (eczema-prone) skin
- Non-greasy alternative to heavier oils
Science: Clinical studies demonstrate dimethicone is safe and well-tolerated in children with atopic dermatitis from 12 months of age. Research shows moisturizers containing dimethicone effectively improve skin hydration in mild-to-moderate atopic dermatitis patients over 14 days.
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Glycerin is a naturally derived humectant—a ingredient that draws moisture from the air into your skin. It's one of the most widely used and well-studied moisturizing agents in skincare, helping skin feel softer and more hydrated.
Benefits
- Attracts and retains moisture in the skin
- Improves skin hydration and softness
- Helps strengthen skin barrier function
- Suitable for most skin types, including sensitive skin
Science: The Cosmetic Ingredient Review Expert Panel concluded glycerin is safe as used in cosmetics across all concentrations. Research shows glycerin effectively improves skin hydration and is well-tolerated with minimal irritation risk. It is also referenced in clinical guidelines for managing inflammatory skin conditions and maintaining skin integrity.
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Caprylyl glycol is a preservative and skin-conditioning ingredient derived from coconut oil. It helps prevent bacterial and mold growth in skincare products while also providing mild hydrating and humectant benefits to the skin.
Benefits
- Helps preserve product freshness and prevent contamination
- Provides gentle humectant properties to help retain skin moisture
- Often used as a gentler alternative to traditional preservatives
Potential concerns
- Rare cases of allergic contact dermatitis have been reported in sensitive individuals
- May cause irritation in those with known sensitivity to glycols
Science: A 200-subject repeat patch test study found no delayed hypersensitivity reactions to caprylyl glycol at typical use concentrations. However, isolated case reports of allergic contact dermatitis exist, suggesting it can act as an allergen in susceptible individuals. It is widely used in infant and sensitive-skin formulations as a preservative alternative.
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Sodium benzoate is a preservative used in skincare products to prevent bacterial and fungal growth, extending shelf life. It's a salt derived from benzoic acid and is one of the most widely used preservatives in cosmetics, skincare, and food products.
Benefits
- Prevents microbial contamination and extends product shelf life
- Generally effective at low concentrations (0.1-0.5%)
- Approved for cosmetic use by major regulatory bodies
Potential concerns
- Can cause allergic contact dermatitis in sensitive individuals; identified as an allergen in medical hand cleansers
- Recent research suggests long-term oral intake may affect bone health and increase osteoporosis risk, though topical skincare exposure is minimal
Science: Sodium benzoate is well-established as a safe preservative in cosmetics at typical use levels. However, emerging research indicates that chronic systemic intake may interfere with bone metabolism through the FGF2/p38/RUNX2 pathway. For topical skincare use, the exposure and absorption are minimal compared to dietary intake, but individuals with known sensitivities should avoid it.
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Phenoxyethanol is a preservative that prevents bacteria, yeast, and mold from growing in skincare products, helping them stay fresh and safe to use. It has been used safely in cosmetics for decades and is effective at very low concentrations.
Benefits
- Prevents microbial contamination and product spoilage
- Broad-spectrum antimicrobial activity against bacteria and yeast
- Minimal impact on beneficial skin bacteria when used at approved levels
Potential concerns
- Rare allergic contact dermatitis in sensitive individuals
- May cause irritation if used in products at concentrations above 1%
Science: The European Scientific Committee on Consumer Safety considers phenoxyethanol safe for all consumers, including children, at concentrations up to 1%. Adverse effects observed in animal studies required exposure levels approximately 200 times higher than those in cosmetic products, and it is classified as one of the most well-tolerated preservatives in cosmetics.
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Pentylene glycol is a lightweight humectant—a ingredient that draws water into the skin to improve hydration and texture. It's commonly used in serums, sunscreens, and moisturizers as a preservative booster and skin-conditioning agent.
Benefits
- Improves skin hydration by attracting moisture
- Lightweight feel, absorbs quickly without heaviness
- Helps preserve product stability and extends shelf life
Potential concerns
- Rare contact allergy reported in sensitive individuals
- Emerging evidence suggests it may be an uncommon cosmetic allergen—if you have sensitive or reactive skin, patch test first
Science: Safety studies show a high margin of safety at standard use levels (87–671 in adults), with minimal skin penetration due to the ingredient's volatility. However, recent dermatological reports flag pentylene glycol as an emerging contact allergen in some individuals, warranting attention for those with sensitive skin.
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Hydrolyzed hyaluronic acid is a smaller, broken-down form of hyaluronic acid—a naturally occurring substance that holds moisture in skin. The smaller molecular size allows it to penetrate the outer layers of skin more easily than regular hyaluronic acid, potentially delivering hydration deeper into the skin.
Benefits
- Enhanced skin hydration due to smaller molecular size and better penetration
- Helps plump and soften the appearance of fine lines
- Lightweight and suitable for layering with other skincare products
Science: Hydrolyzed hyaluronic acid is well-established in skincare for its hygroscopic properties (ability to attract and retain water). The cited research focuses on its use in advanced delivery systems like microneedles for pharmaceuticals and cosmetics, demonstrating its compatibility with sophisticated formulation technologies, though direct efficacy studies on topical application are limited in the provided literature.
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Caprylic/Capric Triglyceride is a lightweight oil derived from coconut that acts as an emollient and helps formulations blend smoothly. It softens skin and reduces water loss by creating an occlusive barrier on the skin's surface.
Benefits
- Improves skin hydration and reduces transepidermal water loss (TEWL)
- Lightweight, non-greasy feel compared to heavier oils
- Helps deliver other active ingredients deeper into the skin
- Smooth, silky texture in skincare formulations
Science: Research shows that emulsions containing 15% caprylic/capric triglyceride significantly increase skin hydration and reduce water loss in healthy subjects. The ingredient is also used as an effective carrier oil in nanoemulsions to enhance penetration of active compounds into skin.
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Sodium Hydroxide is a strong alkaline chemical used in skincare products primarily as a pH buffer to neutralize acids and adjust the product's pH to safe levels for skin. It is not an active skincare ingredient and appears only in trace amounts in finished products.
Potential concerns
- In concentrated form, sodium hydroxide is caustic and can cause severe chemical burns; however, in cosmetic products it is diluted and pH-buffered to safe levels
- Undiluted or highly concentrated sodium hydroxide should never contact skin directly
Science: The provided research discusses sodium hydroxide only in a specialized medical context (10% solution for surgical cauterization of ingrown toenails), which is not relevant to cosmetic skincare use. In properly formulated skincare products, sodium hydroxide is used in minimal concentrations solely for pH adjustment and is considered safe by regulatory bodies including the FDA and EU.
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Xanthan gum is a natural thickener derived from fermented bacteria that helps give skincare products a smooth, gel-like texture. It stabilizes formulas and prevents ingredients from separating, while also helping products spread evenly on skin.
Benefits
- Creates smooth, pleasant texture
- Stabilizes emulsions and prevents separation
- Improves product spreadability and application
Science: Xanthan gum is an FDA-approved, anionic polysaccharide with a long history of safe use across food, pharmaceutical, and cosmetic industries since 1969. Its performance as a thickener and stabilizer is well-established in scientific literature, with no notable skin irritation concerns reported.
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Analysis not yet available for this ingredient.
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Sorbitan Tristearate is an emulsifier derived from sorbitol (a natural sugar alcohol) and stearic acid (a fatty acid). It helps mix oil and water-based ingredients together in skincare formulations, creating stable, smooth textures.
Benefits
- Stabilizes product texture and prevents separation of oils and water
- Creates smooth, pleasant feel on skin
- Generally mild and well-tolerated by most skin types
Potential concerns
- May cause mild skin irritation in sensitive individuals
- Rare allergic contact dermatitis reported in patch testing studies (less than 1%)
- Not suitable for those with known sensitivity to sorbitan esters
Science: The Cosmetic Ingredient Review Expert Panel concluded this ingredient is safe for cosmetic use under current practices. Clinical and animal studies show it is generally a minimal to mild skin irritant and non-sensitizing, with very low allergic reaction rates in real-world use.
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Analysis not yet available for this ingredient.
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Limonene is a natural fragrance compound found in citrus oils and other plants. It's used in skincare products primarily to provide a fresh, lemon-like scent and may have mild preservative properties.
Benefits
- Provides natural fragrance
- May help preserve products
- Derived from natural plant sources
Potential concerns
- Can cause skin irritation or allergic contact dermatitis in sensitive individuals
- May oxidize over time, potentially becoming more irritating
- Inhalation of high concentrations may pose concerns; use caution with products prone to aerosolization
Science: Limonene is a widely used fragrance component in cosmetics derived from essential oils. However, research indicates that monoterpenes like limonene can exhibit hepatotoxic properties and penetrate skin readily; while cosmetic concentrations are typically low, individuals with sensitive skin or fragrance allergies should exercise caution.
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Adenosine is a naturally occurring compound found in all living cells that plays a role in skin cell energy production and communication. In skincare, it's used to help support skin barrier function and may promote a smoother, more resilient complexion.
Benefits
- Supports skin barrier strength and integrity
- May help reduce the appearance of fine lines and wrinkles
- Promotes skin cell energy metabolism and repair
Science: Research indicates adenosine and related compounds (like cyclic adenosine monophosphate) regulate skin barrier formation and epidermal differentiation. While direct clinical studies on topical adenosine in skincare are limited, the ingredient's role in cellular energy and barrier maintenance is well-established in dermatological literature.
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Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate is a synthetic antioxidant used to prevent oils and fats in skincare formulas from oxidizing and going rancid. It helps extend product shelf life and maintain stability, particularly in products containing oils or vitamin E.
Benefits
- Prevents product degradation and rancidity
- Helps stabilize oils and fat-soluble actives like vitamin E
- Extends shelf life without refrigeration
Potential concerns
- Very rare allergic contact dermatitis reported in sensitive individuals
- May cause irritation in those with known sensitivities to phenolic antioxidants
Science: Limited peer-reviewed data available specifically for this ingredient. It is chemically related to established food-grade antioxidants and has a strong safety history in cosmetic use, though isolated cases of contact sensitization have been documented in vulnerable populations.
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Alcohol Denat is denatured ethanol (regular alcohol) that has been made undrinkable by adding bitter-tasting substances. It's used in skincare products as a solvent and preservative to help dissolve other ingredients and extend shelf life.
Benefits
- Helps dissolve and blend skincare ingredients together
- Provides preservative function to prevent microbial growth
- Gives products a lightweight, fast-absorbing texture
Potential concerns
- Can be drying or irritating to sensitive skin with repeated use
- May cause stinging if applied to broken skin or open wounds
- High concentrations may trigger irritation in those with sensitive or reactive skin
Science: The Cosmetic Ingredient Review Expert Panel concluded that Alcohol Denat and its various forms are safe as used in cosmetics. Denaturants added to prevent accidental ingestion (such as Denatonium Benzoate) show low systemic absorption and minimal irritation at typical skincare concentrations.
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Pentaerythrityl Tetraethylhexanoate is a synthetic emollient and texture enhancer used in skincare products. It helps create a smooth, lightweight feel on the skin while improving product spreadability and providing mild moisturizing properties.
Benefits
- Creates a smooth, non-greasy texture
- Improves product spreadability and application
- Provides light emollient properties
Science: Limited peer-reviewed data available for this ingredient. It is a synthetic ester commonly used as a cosmetic texture agent and is generally recognized as safe for topical use based on its chemical structure and historical use in cosmetic formulations.
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Petrolatum, commonly known as petroleum jelly, is a mineral-based occlusive moisturizer derived from petroleum. It forms a protective barrier on the skin's surface to lock in moisture and prevent water loss, making it effective for dry and sensitive skin.
Benefits
- Creates a strong moisture barrier to prevent water loss from skin
- Helps heal and protect damaged or irritated skin
- Non-irritating and hypoallergenic for most people, including sensitive skin types
- Safe to use around eyes and on delicate areas
Potential concerns
- Has a thick, greasy texture that some people find uncomfortable
- May feel heavy on oily or acne-prone skin
- Does not actively hydrate skin—it seals in existing moisture rather than adding water
Science: Recent dermatological research confirms petrolatum is highly safe with an excellent safety profile. Common myths about it causing acne or flammability have been scientifically dispelled. It is widely used in clinical dermatology as a vehicle for medicated treatments and wound care, with virtually no allergenic or comedogenic concerns for typical use.
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Glyceryl stearate is a natural emulsifier and thickener derived from vegetable oils and glycerin. It helps bind water and oil together in skincare formulas, creating a smooth texture while providing mild moisturizing properties.
Benefits
- Helps create stable, smooth product textures
- Mild emollient that softens skin
- Derived from natural sources (vegetable-based)
Science: The Cosmetic Ingredient Review Expert Panel confirmed in 2023 that glyceryl stearate and related glyceryl diesters are safe for cosmetic use at standard concentrations. Research indicates the ingredient has a skin-safe pH profile and demonstrates good stability in formulations.
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Dimethiconol is a silicone-based conditioning agent that forms a smooth, protective layer on skin and hair. It's used in cosmetics to improve texture, reduce moisture loss, and enhance the feel of products.
Benefits
- Smooths and conditions skin surface
- Reduces water loss from skin
- Improves product spreadability and feel
- Helps protect hair color from fading (in hair care products)
Science: The Cosmetic Ingredient Review Expert Panel concluded dimethiconol is safe for cosmetic use at current concentrations, noting it is not absorbed through the skin. Research confirms its effectiveness in hair conditioning and color protection, with no reproductive, developmental, or carcinogenicity concerns identified.
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Geraniol is a fragrant compound found naturally in essential oils, particularly rose geranium. It's used in skincare products primarily to provide a pleasant floral scent and may contribute mild antibacterial and antifungal properties.
Benefits
- Pleasant floral fragrance
- Potential antibacterial activity
- Potential antifungal activity
Potential concerns
- May cause skin irritation or allergic contact dermatitis in sensitive individuals
- Natural origin does not guarantee safety for all users
Science: Geraniol is recognized as a fragrance component from essential oils with reported antibacterial and antifungal potential, though clinical validation of these benefits in skincare formulations is limited. The ingredient has historical use in traditional remedies, but most specific skincare efficacy claims lack robust scientific validation.
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Stearyl alcohol is a waxy, naturally-derived fatty alcohol used in skincare products as a thickener and emollient. It helps create a smooth texture and forms a protective barrier on the skin to lock in moisture.
Benefits
- Improves skin hydration by forming a protective moisture barrier
- Creates a smooth, luxurious product texture
- Well-tolerated by most skin types
Potential concerns
- Rare allergic contact dermatitis reported in sensitive individuals
- May cause irritation or allergic reactions in people with stearyl alcohol sensitivity
Science: Stearyl alcohol is regarded as safe by cosmetic safety panels at typical use concentrations. Recent research suggests it may have anti-inflammatory properties in topical formulations, though rare cases of allergic contact dermatitis have been documented in sensitive individuals.
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Cetyl alcohol is a fatty alcohol derived from natural sources like palm oil that works as an emollient and thickening agent in skincare products. It helps create a smooth texture, improve product consistency, and soften the skin by forming a light protective layer.
Benefits
- Softens and moisturizes skin
- Improves product texture and spreadability
- Helps stabilize emulsions (creams and lotions)
Potential concerns
- Very rare allergic reactions or contact sensitivity in susceptible individuals
- May cause mild irritation in products with high concentrations
Science: Cetyl alcohol has a long history of safe use in topical cosmetics with established safety data. Research indicates it forms nanostructured systems that interact well with skin and does not cause irritation or cellular toxicity in standard formulations.
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Myristyl alcohol is a fatty alcohol derived from natural sources like coconut oil. In skincare products, it functions as an emollient and thickening agent, helping to soften skin and improve the texture and stability of creams and lotions.
Benefits
- Softens and moisturizes skin
- Improves product texture and consistency
- Helps stabilize emulsions in formulations
Potential concerns
- May cause skin irritation, including increased redness and sensitivity, particularly at concentrations of 5% or higher
- Can increase transepidermal water loss (TEWL), meaning it may temporarily disrupt the skin barrier
- Irritation risk appears higher relative to its skin-penetrating effects compared to other fatty alcohols
Science: Research shows myristyl alcohol caused greater skin irritation than some other fatty alcohols tested, with notable increases in skin blood flow and erythema in animal studies. The study notes that further human volunteer testing at concentrations of 5% or lower is needed to establish safety for topical use.
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Shea butter is a natural fat extracted from the nuts of the African shea tree. It's a rich, occlusive moisturizer that forms a protective barrier on skin to lock in hydration and soften the skin barrier.
Benefits
- Deep moisturizing and nourishing
- Helps reduce water loss from skin
- May soothe irritated or dry skin
- Rich in fatty acids and vitamins
Potential concerns
- May clog pores in acne-prone individuals
- Can cause allergic reactions in sensitive people
- Comedogenic for some skin types
Science: Shea butter has a well-established history of traditional use and is considered safe for topical application. It contains oleic, stearic, and linoleic acids that support skin barrier function, though individual tolerance varies by skin type.
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Benzyl alcohol is a preservative and solvent commonly used in skincare products to prevent bacterial and fungal growth, extending shelf life. It also helps dissolve and mix other ingredients together in formulations.
Benefits
- Preserves product freshness and prevents microbial contamination
- Helps stabilize and blend formula ingredients
- Generally recognized as safe for topical use in cosmetics at approved concentrations
Potential concerns
- Can cause skin irritation or allergic contact dermatitis in sensitive individuals
- May cause stinging or dryness on broken or compromised skin
- High systemic absorption in infants and neonates is a known concern; products containing benzyl alcohol should be kept away from babies and nursing mothers should avoid application to breast tissue
Science: Benzyl alcohol is widely used in pharmaceutical and cosmetic formulations as a preservative. Research indicates it has low systemic absorption through intact adult skin at typical cosmetic concentrations, but neonatal toxicity is a documented concern at high doses, warranting caution in products used near infants or during breastfeeding.
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Acetyl Tetrapeptide-9 is a synthetic peptide (a short chain of amino acids) designed to signal skin cells and support the appearance of firmness and elasticity. It's often included in anti-aging and lifting formulas to help the skin look more toned and youthful.
Benefits
- May help improve skin firmness and elasticity appearance
- Supports anti-aging skincare routines
- Can be used in targeted lifting or toning products
Science: Limited peer-reviewed data available for this ingredient. It is derived from standard amino acid peptides commonly used in cosmetics and is generally recognized as safe in skincare formulations, though independent efficacy studies are scarce.
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Analysis not yet available for this ingredient.
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Hydroxyethylpiperazine Ethane Sulfonic Acid (HEPES) is a chemical buffer that helps stabilize the pH of skincare formulations, keeping them at a consistent acidity level. It has minimal direct effects on skin but plays an important behind-the-scenes role in product stability and consistency.
Benefits
- Maintains stable pH in formulations for consistent product performance
- Helps preserve product integrity over time
- Supports product texture and feel
Potential concerns
- Minimal direct skin impact, though some individuals with sensitive skin may experience irritation in high concentrations
Science: HEPES is a well-established buffering agent widely used in cosmetics and laboratory applications. Limited peer-reviewed data specifically examines its effects on skin, as it functions primarily as a formulation aid rather than an active ingredient.
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Analysis not yet available for this ingredient.
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Hexyl cinnamal is a fragrance ingredient used in cosmetic and skincare products to provide a pleasant scent. It's a synthetic aromatic compound commonly found in a wide range of beauty products.
Benefits
- Adds fragrance and scent appeal to products
Potential concerns
- May cause allergic contact dermatitis or skin sensitization in sensitive individuals
- Listed as a potential skin sensitizer, though human reactions are relatively uncommon at typical consumer exposure levels
Science: Hexyl cinnamal is classified as a weak skin sensitizer based on its chemical structure and animal testing data. However, human experience shows it has a low capacity to trigger allergic reactions under normal consumer use conditions. It is commonly detected in cosmetic products (approximately 29% of surveyed items) and remains permitted in cosmetics within regulatory limits.
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Analysis not yet available for this ingredient.
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PEG-40 Stearate is an emulsifier—a ingredient that helps mix oil and water together in creams and lotions. It's derived from stearic acid (a fatty acid) combined with polyethylene glycol, and is commonly used to create smooth, stable formulations that won't separate over time.
Benefits
- Stabilizes cream formulations to prevent separation
- Helps create a smooth, uniform texture
- May enhance penetration of active ingredients into the skin when used in microemulsion systems
Science: Research shows PEG-40 Stearate functions effectively as part of stable emulsifier systems in topical cream formulations and has been investigated as a component in microemulsion vehicles designed to improve skin penetration of active ingredients. It is recognized as safe for cosmetic use by regulatory bodies.
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Analysis not yet available for this ingredient.
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Hydrolyzed soy protein is soy protein that has been broken down into smaller pieces to make it easier for skin to absorb. It's used in skincare to help condition and moisturize the skin.
Benefits
- May improve skin hydration and moisture retention
- Can help soften and smooth skin texture
- Provides amino acids that support skin health
Potential concerns
- People with soy allergies or sensitivities may experience irritation or allergic reactions
- May cause contact dermatitis in sensitive individuals
Science: Research in dogs with soy protein hypersensitivity shows that hydrolyzed soy protein triggers significantly fewer allergic reactions compared to native (non-broken down) soy protein, suggesting the hydrolysis process reduces allergenic properties. Limited peer-reviewed data is available on topical use in humans, though the reduced allergenicity of the hydrolyzed form is a positive indicator for sensitive skin.
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Alpha-Isomethyl Ionone is a fragrance ingredient used to add scent to skincare products. It is a synthetic compound commonly found in perfumes and fragranced cosmetics.
Benefits
- Provides pleasant fragrance
- Enhances sensory experience of skincare products
Potential concerns
- May become chemically reactive when exposed to air and light over time
- Potential for skin sensitization, particularly after degradation
- Listed among fragrance ingredients of concern for allergic contact dermatitis in sensitive individuals
Science: Research shows that while alpha-isomethyl ionone is initially non-reactive, it can convert into chemically reactive species after photo-oxidative degradation, which may increase skin sensitization risk. It is classified among 24 fragrance ingredients flagged for potential skin sensitization concerns.
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