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.
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.
Trehalose is a naturally occurring sugar (disaccharide) used in skincare products for its stabilizing and protective properties. It helps preserve the integrity of skin cells and other ingredients, particularly when exposed to environmental stressors like heat or dryness.
Benefits
Helps stabilize and protect skin cells from damage
May improve skin barrier function and reduce moisture loss
Supports ingredient stability in formulations
Science: Trehalose is widely recognized in biopharmaceutical and cosmetic industries for its cryoprotective and stabilizing properties. While peer-reviewed evidence specifically for topical skincare benefits is limited, research demonstrates its effectiveness as a cellular protectant and its ability to enhance the uptake and efficacy of other beneficial compounds in tissues.
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.
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.
Camellia Sinensis Leaf Extract is derived from green tea leaves and contains natural compounds called catechins and polyphenols. In skincare, it's used for its antioxidant and potential protective properties against environmental damage and bacterial growth.
Benefits
Antioxidant protection against free radical damage
May help reduce skin wear and support skin barrier health
Potential antibacterial and antimicrobial properties
May help soothe and calm skin
Potential concerns
May cause mild irritation or sensitivity in very sensitive skin types
Rare allergic reactions possible in those with tea plant sensitivities
Limited data on long-term safety in topical skincare formulations
Science: Research shows green tea extract significantly reduces wear and erosion comparable to fluoride treatments and chlorhexidine. Polyphenolic components like theaflavin demonstrate strong antibacterial activity, though most published studies focus on oral health and food safety rather than topical skincare efficacy.
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.
Bisabolol is a naturally occurring compound found in chamomile and other plants, known for its soothing and anti-inflammatory properties. It's used in skincare products to calm irritated skin and reduce redness.
Benefits
Reduces inflammation and redness
Soothes irritated or sensitive skin
Antimicrobial and antifungal properties
May help manage conditions like seborrheic dermatitis when used in appropriate formulations
Potential concerns
Rare allergic sensitization possible, particularly in individuals sensitive to chamomile or related plants
Science: Bisabolol is recognized as a safe, plant-derived ingredient and is included in medical device shampoos for inflammatory scalp conditions alongside antifungal agents. It has a long history of use in chamomile products, which are designated 'generally recognized as safe' (GRAS) by the FDA.
Parfum is a mixture of fragrant compounds used to add pleasant scent to skincare products. It's typically composed of essential oils, aromatic chemicals, and solvents blended together to create a specific fragrance profile.
Benefits
Improves sensory experience and enjoyment of using the product
Can enhance perceived product quality and appeal
Potential concerns
May cause allergic contact dermatitis or sensitization, especially in those with fragrance sensitivity
Can irritate sensitive or compromised skin barriers
Potential photosensitivity concerns with certain fragrance ingredients when exposed to sunlight
Science: Limited peer-reviewed data available for this ingredient. Fragrance is a known allergen and irritant in some individuals; regulatory bodies like the EU require disclosure of 26 specific allergenic fragrance components when present above threshold levels.
Aloe Barbadensis Leaf Juice is the clear gel extracted from the inner part of the aloe vera leaf. In skincare, it functions as a skin-conditioning agent known for its soothing and hydrating properties, and is typically used at low concentrations (usually under 1%).
Benefits
Soothing and anti-inflammatory properties
Hydrating and skin-conditioning
Antimicrobial and wound-healing support
Potential concerns
Whole leaf aloe (including latex) contains anthraquinones that can cause photosensitivity and irritation; reputable products use only the inner gel
High oral doses in animal studies showed reproductive toxicity and developmental effects; topical use in cosmetics at low concentrations is considered safe
Potential for allergic contact dermatitis in sensitive individuals
Science: A 2007 safety review by the Cosmetic Ingredient Review panel concluded aloe-derived ingredients are safe for cosmetic use when the phototoxic anthraquinone content is limited to 50 ppm or lower and concentrations remain at 1% or less. The inner gel (polysaccharides) is well-tolerated topically, though oral studies at high doses showed concerns unrelated to typical skincare application.
Argania Spinosa Kernel Oil, commonly known as argan oil, is a natural oil extracted from the kernels of the argan tree. It's rich in fatty acids and antioxidants, and is used in skincare products to moisturize and nourish the skin.
Benefits
Deep moisturization and skin nourishment
Anti-inflammatory properties that may help reduce skin irritation and redness
Antioxidant content that may help protect skin from environmental damage
Potential concerns
Oxidative stability concerns: argan oil degrades relatively quickly when exposed to heat or sunlight, so products should be stored properly and used within 6 months for best quality
May not be suitable for very acne-prone skin due to its occlusive nature, though this varies by individual
Science: Clinical studies show argan oil as part of multi-ingredient formulations is safe and effective for treating inflammatory skin conditions, with no reported adverse effects. However, the ingredient's stability is a concern—argan oil loses quality quickly at warm temperatures or in sunlight, so proper storage and formulation are important for maintaining efficacy.
Laminaria Digitata Extract is derived from a species of brown seaweed (kelp) harvested from cold Atlantic waters. It's used in skincare for its rich content of minerals, amino acids, and polysaccharides that may help hydrate and soothe the skin.
Benefits
Hydration and moisture retention
Rich in minerals like iodine and potassium
May have soothing and anti-inflammatory properties
Science: Limited peer-reviewed data available for this specific ingredient. Brown seaweed extracts are generally recognized as safe in cosmetics and have a history of use in traditional skincare, though robust clinical studies on Laminaria Digitata specifically are sparse.
Cyclomethicone is a silicone-based ingredient that acts as a spreading agent and skin conditioner in skincare products. It helps formulations glide smoothly onto skin and hair while creating a light, non-greasy feel.
Benefits
Improves product spreadability and absorption
Leaves skin feeling smooth and soft
Helps reduce greasy residue from formulations
Science: A comprehensive safety review by the Cosmetic Ingredient Review panel concluded cyclomethicone is safe for cosmetic use, with minimal skin absorption and no evidence of irritation or sensitization. Research also demonstrates its effectiveness as a penetration enhancer in topical formulations without safety concerns.
