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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Butylene glycol is a humectant—a type of ingredient that draws water into the skin and helps it stay hydrated. It's a small, lightweight molecule commonly used in moisturizers to improve hydration without leaving a heavy feel on the skin.
Benefits
- Increases skin hydration and moisture retention
- Lightweight and absorbs quickly
- Helps other active ingredients penetrate the skin more effectively
Science: Research demonstrates that butylene glycol, when combined with other humectants (like glycerin and hyaluronic acid) and occlusive ingredients in moisturizers, significantly improves skin hydration in both healthy skin and compromised skin conditions such as atopic dermatitis. It is recognized as a safe, effective humectant in dermatological formulations.
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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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Caffeine is a natural alkaloid compound that penetrates the skin barrier and is commonly used in skincare products, typically at 3% concentration. It works by stimulating blood flow, reducing puffiness, and protecting skin cells from damage caused by free radicals and UV exposure.
Benefits
- Reduces under-eye puffiness and swelling by improving blood circulation
- Provides antioxidant protection against UV damage and premature aging
- May help break down fat cells and improve the appearance of cellulite
- Activates cellular repair processes that protect against oxidative stress and aging
Potential concerns
- May cause mild irritation or sensitivity in individuals with caffeine sensitivity
- Can cause temporary redness or tingling when applied topically
- Limited evidence for dramatic anti-cellulite results in real-world use
Science: Research shows caffeine effectively penetrates skin and activates autophagy (cellular cleanup) to combat oxidative stress and cellular aging, particularly from UV exposure. Studies demonstrate it inhibits fat accumulation and improves microcirculation, though most evidence comes from controlled lab and animal studies rather than large human trials.
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Sodium hyaluronate is the salt form of hyaluronic acid, a naturally occurring substance found in your skin that acts like a moisture magnet. In skincare products, it absorbs water from the environment and binds it to your skin, helping to hydrate and plump the skin's surface.
Benefits
- Delivers intense hydration to the skin
- Helps reduce the appearance of fine lines by improving skin moisture
- Supports skin barrier function
- Suitable for all skin types, including sensitive and oily skin
Potential concerns
- In very dry climates with low humidity, it may draw moisture from deeper skin layers if not sealed with an occlusive product
- Rare allergic reactions are possible but extremely uncommon
Science: While the provided research focuses on intra-articular injections for joint health (showing good safety and efficacy), hyaluronic acid and its salt form are well-established in dermatology for topical hydration. The molecule's safety profile is well-documented across decades of use in medical and cosmetic applications, with severe adverse reactions being extremely rare.
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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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Hydrogenated lecithin is a plant-derived phospholipid that has been chemically stabilized to resist oxidation and spoilage. In skincare products, it functions as an emulsifier (helping mix oil and water), a skin-conditioning agent, and a delivery system for other active ingredients.
Benefits
- Stabilizes emulsions and improves product texture
- Enhances penetration of other skincare actives into the skin
- Biocompatible and derived from natural plant sources
- Helps formulate advanced delivery systems like liposomes and micelles
Science: Recent peer-reviewed research (2025) confirms hydrogenated lecithin is highly stable and soluble in cosmetic formulations, with strong emulsifying properties and ability to improve ingredient absorption through the skin barrier. The hydrogenation process eliminates the oxidation concerns present in unprocessed lecithin, making it a reliable excipient for cosmetic and pharmaceutical applications.
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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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Propanediol is a lightweight humectant—a molecule that draws water into the skin to keep it hydrated. It's also used in cosmetic formulations as a solvent and preservative booster, helping products stay stable and feel smooth on the skin.
Benefits
- Hydrates and moisturizes the skin
- Improves product texture and spreadability
- Helps preserve formulations naturally
Science: Propanediol can be produced through bio-based fermentation (from glycerol using microorganisms), making it an environmentally friendly alternative to traditional chemical synthesis. It is widely recognized as safe in cosmetic and food applications, with established use as both a humectant and preservative enhancer.
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Sodium lactate is a salt derived from lactic acid that acts as a humectant and pH buffer in skincare products. It helps draw moisture into the skin and maintain the product's stability.
Benefits
- Humectant that attracts and retains water in the skin
- Helps maintain skin hydration and plumpness
- Gentle pH buffer that stabilizes formulations
Science: Limited peer-reviewed data available specifically for topical skincare use. The provided research focuses on medical applications (intravenous use in shock treatment) and cellular mechanisms unrelated to cosmetic skincare; these do not directly inform safety or efficacy for topical skin application.
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Polysorbate 20 is a mild emulsifier and solubilizer commonly used in skincare products to help mix oil and water-based ingredients together and keep them stable. It's also used to help dissolve fragrance and active ingredients evenly throughout a formula.
Benefits
- Helps create stable, smooth textures by blending incompatible ingredients
- Improves product consistency and shelf life
- Allows even distribution of active ingredients and fragrance
Potential concerns
- May cause irritation or allergic reactions in people with sensitive skin
- Can occasionally strip skin's natural oils if used in high concentrations
- Some individuals report sensitivity to polysorbates, though this is relatively uncommon
Science: The provided study examined polysorbate 20 as a formulation component in a clinical cancer treatment (vidutolimod), not as a cosmetic ingredient. Limited peer-reviewed data exists specifically evaluating polysorbate 20 safety in topical skincare; however, it is widely used globally and recognized as safe by major regulatory bodies (FDA, EU) at typical cosmetic concentrations (typically under 5%).
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Trisodium Ethylenediamine Disuccinate is a chelating agent, which means it binds to trace metals in cosmetic formulas to keep products stable and prevent discoloration or degradation. It's used in small amounts primarily to maintain product quality rather than directly benefit your skin.
Benefits
- Extends product shelf life
- Prevents oxidation and discoloration
- Improves formula stability
Science: Limited peer-reviewed data available for this ingredient. It is approved for cosmetic use under EU and US regulations as a chelating agent and is considered safe at the low concentrations used in skincare formulations.
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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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Niacinamide is an active form of vitamin B3 that works within your skin's cells to strengthen the barrier, reduce inflammation, and regulate oil production. It's a water-soluble ingredient that's been shown to have multiple benefits across different skin concerns, from sensitivity to aging.
Benefits
- Reduces redness and calms irritation
- Minimizes pore appearance and controls excess oil
- Supports skin barrier function and hydration
- Brightens skin tone and evens complexion
- Has anti-aging properties and protects against environmental damage
Science: Niacinamide is well-tolerated and safe across diverse skin types with strong clinical evidence supporting its use for acne, dermatitis, and general skin health. Research shows it works by regulating inflammation at the cellular level and protecting skin barrier integrity, with proven efficacy in concentrations commonly found in cosmetic products.
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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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Phytosphingosine is a naturally-derived lipid (fatty substance) that helps strengthen your skin's protective barrier. It works by replenishing the lipids that keep skin moisturized and resilient, while also helping to calm inflammation and reduce acne-causing bacteria.
Benefits
- Supports skin barrier function and hydration
- Reduces inflammation and redness
- Helps control acne-prone skin with antimicrobial properties
Science: Research indicates phytosphingosine has antimicrobial and anti-inflammatory properties that may accelerate acne recovery when used in topical formulations. It appears particularly useful in products designed to restore skin barrier health in conditions like eczema and acne-prone skin.
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Triethyl Citrate is a clear liquid derived from citric acid that acts as a plasticizer and preservative in skincare formulations. It helps keep products flexible and stable while extending shelf life.
Benefits
- Improves product texture and spreadability
- Extends product stability and shelf life
- Helps preserve formulation integrity
Potential concerns
- Emerging research suggests potential neurotoxic concerns at high environmental exposure levels, though current cosmetic-use concentrations are considered safe by regulatory bodies
Science: The Cosmetic Ingredient Review Expert Panel (2023) confirmed safety at typical cosmetic concentrations and use levels. However, a 2025 molecular study identified potential interactions with proteins related to cell health and inflammation, warranting further investigation into long-term safety—though this represents theoretical risk rather than documented harm in cosmetic use.
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Palmitoyl Tetrapeptide-7 is a synthetic peptide (a short chain of amino acids) combined with palmitic acid, designed to signal skin cells to produce more collagen and support skin firmness. It's often marketed as a targeted anti-aging ingredient that may help reduce the appearance of fine lines and improve skin elasticity.
Benefits
- May support collagen production to improve skin firmness
- Potentially helps reduce the appearance of fine lines and wrinkles
- Generally well-tolerated by most skin types
Potential concerns
- Limited real-world testing data on effectiveness in typical skincare formulations
- May be irritating to very sensitive skin at high concentrations
- Peptides can be unstable and may lose potency depending on product formulation and storage
Science: Limited peer-reviewed data available for this specific ingredient. While peptides in general have shown promise in supporting skin health and collagen signaling, efficacy depends heavily on product formulation, concentration, and stability.
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Carbomer is a thickening agent and stabilizer that gives skincare products their gel-like texture. It helps create a smooth, spreadable consistency and can hold active ingredients in place on the skin for better absorption.
Benefits
- Creates a smooth, easy-to-apply gel texture
- Helps stabilize and thicken formulations
- Can improve how long active ingredients stay on the skin
- Allows better delivery of beneficial compounds into deeper skin layers
Potential concerns
- Can occasionally cause irritation or sensitivity in very reactive skin types
- Requires proper pH adjustment in formulations (formulators use this, not consumers)
Science: Research shows carbomer is commonly used as a gel base in advanced skincare delivery systems, including those designed for anti-inflammatory and healing treatments. Studies indicate it effectively works with active ingredients like nanoparticles and botanical extracts to improve their penetration and efficacy on skin.
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Cholesterol is a naturally occurring fatty substance that is a key component of your skin's outermost barrier. In skincare products, it works alongside ceramides and fatty acids to help strengthen this barrier, keeping moisture in and irritants out.
Benefits
- Strengthens skin barrier function
- Helps retain skin hydration
- Works synergistically with ceramides and fatty acids for optimal barrier repair
Science: Cholesterol is a natural and essential component of the stratum corneum (outer skin layer), present in roughly equal amounts to ceramides and free fatty acids. Research shows that topical formulations combining cholesterol with ceramides and fatty acids in physiological ratios effectively support barrier function and can improve disturbed skin conditions.
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Palmitoyl Tripeptide-1 (PT-1) is a peptide derived from amino acids that signals skin cells to boost collagen production. Research suggests it works particularly well when applied at night, aligning with your skin's natural repair cycle to support firmness and skin structure.
Benefits
- May promote collagen synthesis, particularly when applied at nighttime
- Could improve skin firmness and reduce the appearance of fine lines
- May enhance overall skin luminance and quality when used as part of a consistent routine
Science: A 2026 clinical trial (n=30) found that nightly PT-1 application synergistically improved collagen metabolism when combined with daytime baicalin, showing significant improvements in skin luminance (+16.29%), nasolabial fold depth (-36.35%), and firmness (+24.35%) over 8 weeks. The ingredient appears to work by boosting collagen synthesis during the skin's natural nighttime repair phase.
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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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Cetearyl alcohol is a waxy, fatty alcohol derived from vegetable or petroleum sources that acts as an emulsifier and thickener in skincare products. It helps blend oil and water-based ingredients together and gives creams and lotions their smooth, spreadable texture.
Benefits
- Stabilizes emulsions to prevent separation of oil and water
- Thickens and improves texture of creams and lotions
- Creates a smooth, non-greasy feel on skin
Potential concerns
- Rare allergic contact dermatitis reported in sensitive individuals
- May cause localized irritation or allergic reactions in patch-tested cases
Science: Cetearyl alcohol is widely used as an emulsifier in topical formulations and generally has a good safety profile. However, multiple case reports document allergic contact dermatitis in susceptible individuals, suggesting it can act as a contact allergen in rare cases. It does not significantly penetrate skin and primarily remains in the formulation.
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Ceramide NP is a naturally-derived lipid that mimics ceramides found in healthy skin. It works to repair and strengthen your skin's protective barrier, helping it retain moisture and resist irritation.
Benefits
- Restores skin barrier function and structural integrity
- Reduces trans-epidermal water loss (helps skin stay hydrated)
- Strengthens skin's natural defense against irritants and environmental stressors
Science: Recent research demonstrates that Ceramide NP effectively recovers damaged skin barrier function and can be formulated into advanced delivery systems (like ethosomes) to enhance skin absorption. Studies show it meaningfully lowers water loss while restoring epidermis structure in compromised skin.
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Sodium Lauroyl Lactylate is a gentle, plant-derived surfactant (cleaning agent) made from coconut oil and lactic acid. It helps cleanse skin and stabilize skincare formulas while being more environmentally friendly than traditional synthetic surfactants.
Benefits
- Effective cleansing without harsh sulfates
- Environmentally sustainable alternative to petrochemical surfactants
- Works well in combination with other mild surfactants to improve product performance
Potential concerns
- May cause irritation or sensitization in some individuals if formulation is not properly buffered
- Should be formulated to non-irritating concentrations
Science: Recent 2024 safety assessment by cosmetic ingredient experts concluded this ingredient is safe in cosmetics at current use levels when formulated to be non-irritating and non-sensitizing. Research shows it has synergistic benefits when combined with other mild surfactants, improving foaming and cleansing properties.
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Isopropyl myristate is a lightweight oil derived from coconut and petroleum sources. It's commonly used in skincare products as an emollient and penetration enhancer to help soften skin and improve the absorption of other ingredients.
Benefits
- Softens and smooths skin texture
- Lightweight, non-greasy feel
- Helps other active ingredients penetrate the skin more effectively
Potential concerns
- May cause irritation or sensitivity in individuals with very reactive or compromised skin barriers
- Can be comedogenic (pore-clogging) for some acne-prone individuals
- May trigger reactions in those sensitive to fragrance-free formulations that still contain this ingredient
Science: Research confirms isopropyl myristate is an effective permeation enhancer in topical formulations, improving skin penetration of active ingredients. It has a long history of safe use in cosmetics and pharmaceuticals, though individual sensitivity varies.
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Cetearyl Ethylhexanoate is a lightweight synthetic oil used as an emollient and texture enhancer in skincare products. It helps soften skin, improves product spreadability, and creates a smooth, non-greasy feel on the skin.
Benefits
- Softens and smooths skin
- Improves product texture and absorption
- Reduces greasy residue
Science: Limited peer-reviewed data available for this ingredient. It is structurally similar to other ester-based emollients widely used in cosmetics and considered safe by major regulatory bodies including the FDA and EU.
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Behentrimonium Methosulfate is a conditioning agent derived from behenic acid, a fatty acid found in plant oils. It's used in hair and scalp care products to soften, detangle, and improve manageability by coating the hair shaft and reducing friction.
Benefits
- Detangling and smoothing
- Improved hair manageability
- Reduced frizz and flyaways
Potential concerns
- Potential scalp buildup with frequent use
- May weigh down fine or thin hair
Science: Limited peer-reviewed data available for this ingredient. It is approved for cosmetic use in major regulatory systems (EU, FDA) and is chemically related to well-studied quaternary ammonium conditioning agents with established safety profiles.
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Ceramide AP is a naturally occurring lipid that mimics ceramides found in your skin's outer barrier. It helps restore and maintain the skin's protective layer, reducing moisture loss and supporting overall skin health.
Benefits
- Strengthens skin barrier function
- Reduces transepidermal water loss (TEWL)
- Improves skin hydration and moisture retention
- Helps repair compromised or damaged skin barriers
Science: Research confirms ceramide AP is essential for proper stratum corneum (outer skin layer) barrier function and can be effectively incorporated into skincare formulations. Studies using advanced biophysical methods have demonstrated that ceramide AP integrates properly into skin lipid structures, supporting its use as a barrier-repair ingredient.
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Ceramide EOP is a plant-derived ceramide that mimics the natural lipids found in your skin's outer barrier. It helps repair and strengthen this protective layer, reducing moisture loss and keeping skin hydrated and resilient.
Benefits
- Strengthens skin barrier
- Reduces water loss and improves hydration
- Soothes dry or sensitive skin
- Helps restore skin's natural lipid balance
Science: Ceramides are well-established in skincare science as essential components of the skin barrier. While specific peer-reviewed studies on Ceramide EOP are limited, ceramides as a class are extensively documented as safe and effective for barrier repair and moisturization.
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Polyacrylate Crosspolymer-6 is a synthetic polymer used as a thickener and stabilizer in skincare formulas. It helps create a smooth, gel-like texture and keeps product ingredients evenly distributed without separating.
Benefits
- Creates smooth, spreadable texture
- Stabilizes formulas and prevents separation
- Helps products feel lightweight on skin
Science: Limited peer-reviewed data available for this ingredient. As a synthetic polymer, it is generally recognized as safe for topical use and is not absorbed through the skin due to its large molecular size. It is approved for cosmetic use in major regulatory regions.
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Analysis not yet available for this ingredient.
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