Database
Ingredients A–Z
259 ingredients in our database
A
Modified lanolin that is a potent emollient but very comedogenic. Commonly found in hair products.
Synthetic polymer used as an emulsifier and thickener. Creates stable, lightweight emulsions.
Third-generation retinoid available OTC (0.1%) and by prescription (0.3%). More stable and less irritating than tretinoin.
Anti-aging ingredient that boosts collagen production and has anti-inflammatory properties. Popular in K-beauty.
An amino acid that helps condition and moisturise the skin.
Drying alcohol that can strip the skin barrier, increase TEWL, and cause irritation. Used as a solvent and astringent.
Marine-derived extract rich in minerals and antioxidants but rated highly comedogenic.
Soothing and skin-protecting agent that promotes cell regeneration and reduces irritation.
Soothing and hydrating botanical extract with anti-inflammatory properties. Excellent for calming irritated skin.
A synthetic fragrance compound with a sweet, violet-like scent commonly used in perfumery.
A modified silicone that conditions hair and provides heat protection while resisting buildup.
Tyrosinase inhibitor derived from bearberry that brightens skin and fades dark spots without irritation.
Nourishing oil rich in vitamin E and fatty acids. Moisturizes and adds shine to skin and hair.
An amino acid that hydrates skin while supporting collagen production and wound healing.
Soothing botanical popular in K-beauty for calming irritation, redness, and sensitivity.
Potent antioxidant that brightens skin, boosts collagen synthesis, and protects against UV damage.
Stable vitamin C derivative that is converted to ascorbic acid in the skin. Less irritating than pure vitamin C.
Oil-soluble vitamin C derivative with good stability and skin penetration.
A triterpenic acid from Centella asiatica that supports collagen production and skin repair.
An active compound from Centella asiatica that promotes wound healing and reduces inflammation.
An amino acid used as a skin-conditioning agent and humectant in skincare formulations.
Chemical UVA filter providing broad-spectrum protection. Generally considered safer than oxybenzone but caution in pregnancy.
Multi-benefit acid that treats acne, rosacea, and hyperpigmentation. Anti-inflammatory and antibacterial.
B
Synthetic antioxidant used to prevent product oxidation. Controversial due to potential endocrine disruption.
Plant-based retinol alternative that stimulates collagen without irritation. Suitable for sensitive skin and pregnancy.
Gentle conditioning emulsifier derived from rapeseed oil. Not the same as sulfates. Well tolerated.
Antibacterial acne treatment that kills P. acnes bacteria and helps unclog pores. Available OTC in 2.5-10%.
An aromatic alcohol that acts as a preservative and solvent in skincare formulations.
A synthetic fragrance compound with a sweet, balsamic scent that also functions as a solvent and fixative.
A synthetic fragrance compound with a sweet, balsamic, cinnamon-like scent used as a fixative in perfumery.
A synthetic fragrance compound with a sweet, balsamic scent that also functions as a UV absorber.
Polysaccharide that soothes, hydrates, and supports immune function in skin. Excellent for sensitive skin.
A natural humectant derived from sugar beets that hydrates skin while protecting against irritation.
A gentle, time-released salicylic acid derivative that exfoliates and unclogs pores with reduced irritation.
Mineral-rich tree sap that hydrates and nourishes skin with natural nutrients.
A water-soluble silicone that provides light conditioning and emulsifying properties in skincare and haircare.
Chamomile-derived soothing agent with anti-inflammatory, anti-irritant, and antimicrobial properties.
Lightweight humectant and solvent that helps other ingredients penetrate the skin. Also acts as a texture enhancer.
Rich emollient packed with vitamins A and E. Deeply moisturizes and helps protect the skin barrier.
C
An emollient ester that provides moisturisation while offering a light, non-greasy skin feel.
Lightweight emollient that acts as a solvent for UV filters. Common in sunscreens.
Botanical extract with soothing and skin-calming properties, rich in flavonoids.
Powerful antioxidant and anti-inflammatory that protects skin from environmental damage and calms redness.
Counter-irritant that creates a cooling then warming sensation. Potentially irritating and sensitizing.
Non-comedogenic oil high in omega-3 and omega-6 fatty acids. Moisturizes without clogging pores.
Lightweight emollient derived from coconut oil. Fungal acne status is debated in the skincare community.
A gentle, broad-spectrum preservative booster derived from coconut fatty acids.
Humectant and preservative booster with skin-conditioning properties. Often paired with phenoxyethanol.
Synthetic polymer used as a thickener and emulsion stabilizer in gels and creams.
Revered herbal extract that soothes, repairs, and strengthens the skin barrier. Popular in K-beauty for sensitive skin.
Natural wax with emollient and occlusive properties. Used to thicken and stabilize formulations.
Skin barrier lipid that helps maintain moisture and protect against environmental stressors.
A ceramide variant that supports barrier repair and improves skin hydration.
Essential skin barrier ceramide that links the lipid layers in the stratum corneum.
Skin-identical lipid that restores and strengthens the skin barrier. Critical component of healthy skin.
A skin-identical lipid that strengthens the skin barrier and locks in moisture.
Emulsifier that helps blend oil and water phases. Moderately comedogenic.
Fatty alcohol blend of cetyl and stearyl alcohol. Emollient and emulsion stabilizer, not a drying alcohol.
Cationic surfactant and preservative used in hair conditioners and some skincare products.
Fatty alcohol used as an emollient, emulsifier, and thickener. Not a drying alcohol.
Lightweight emollient ester that gives a dry, non-greasy skin feel.
A fatty acid ester that acts as an emollient and thickening agent, providing a smooth, velvety skin feel.
Botanical extract known for its soothing and anti-inflammatory properties in skincare.
A powerful antimicrobial agent used in clinical and OTC antiseptic products.
Preservative with antimicrobial properties. Effective against bacteria and fungi at low concentrations.
Skin-identical lipid that is a key component of the skin barrier. Works synergistically with ceramides.
Fragrance ingredient with cinnamon scent. One of the most common causes of fragrance allergy.
A naturally occurring fragrance compound with a strong lemon scent, found in lemongrass, lemon myrtle, and citrus oils.
AHA used primarily as a pH adjuster in cosmetics. At higher concentrations can provide mild exfoliation.
Phototoxic essential oils that can cause severe burns and hyperpigmentation when exposed to UV light.
Mild amphoteric surfactant derived from coconut oil. Common in gentle cleansers but can cause contact dermatitis.
Rich tropical oil high in lauric acid. Highly comedogenic despite antibacterial properties.
FDA-recognized skin protectant that soothes itching, irritation, and inflammation. Ideal for eczema-prone skin.
Signal peptides that promote collagen and elastin production, wound healing, and antioxidant activity.
A naturally occurring fragrance compound with a sweet, vanilla-like scent found in tonka beans, lavender, and sweet clover.
Volatile silicone that gives a lightweight, silky feel and evaporates quickly without residue.
D
Formaldehyde-releasing preservative used to prevent microbial growth. Avoid during pregnancy.
Gentle non-ionic surfactant derived from sugar and coconut. Very mild and suitable for sensitive skin cleansers.
A lightweight emollient ester that provides moisturisation without a heavy or greasy feel.
A synthetic fungistatic and bacteriostatic preservative used in low concentrations.
Formaldehyde-releasing preservative with broad antimicrobial activity. Potential allergen.
Silicone-based emollient that creates a smooth, protective barrier on skin. Fills in fine lines and gives a silky feel.
A conditioning silicone that provides exceptional smoothness and detangling benefits for hair.
Anti-inflammatory compound from licorice root. Soothes irritation and redness effectively.
A solvent and humectant that helps dissolve active ingredients while providing light moisturization.
Chelating agent that binds metal ions to improve product stability and preserve efficacy of active ingredients.
E
A stress-protective molecule that soothes and hydrates skin by stabilizing proteins and cell membranes.
Water-soluble UVB filter that helps create lightweight, non-greasy sunscreens.
Emollient ester used as a skin-conditioning agent. Moderately to highly comedogenic.
Preservative booster and skin-conditioning agent. Enhances the efficacy of other preservatives like phenoxyethanol.
Essential oil with antimicrobial properties. Potent skin irritant and sensitizer.
A naturally occurring fragrance compound found in clove, cinnamon, and other essential oils, used for its spicy scent.
F
A naturally occurring sesquiterpene alcohol with a delicate, floral scent found in many essential oils.
Plant-based antioxidant that stabilizes and enhances the efficacy of vitamins C and E.
Preservative and known human carcinogen. Rarely used directly but released by certain preservatives.
Umbrella term for hundreds of potential scent chemicals. Leading cause of cosmetic contact dermatitis and irritation.
A natural fruit sugar used as a humectant in skincare.
G
Yeast ferment filtrate rich in vitamins, amino acids, and minerals. Brightens, hydrates, and improves skin texture.
A naturally occurring fragrance compound with a sweet, rose-like scent found in rose oil, citronella, and geraniums.
Traditional botanical extract with anti-aging and energizing properties for revitalized skin.
A gentle poly-hydroxy acid (PHA) that exfoliates while hydrating and providing antioxidant benefits.
Gentle exfoliating acids with larger molecular size than AHAs. Provide hydration while exfoliating. Suitable for sensitive skin.
A natural sugar used as a humectant and skin-conditioning agent.
Powerful humectant that draws moisture to the skin. One of the most effective and well-tolerated hydrating ingredients.
An emulsifier and emollient derived from glycerin and oleic acid that helps stabilise formulations while conditioning skin.
Common emulsifier that helps oil and water mix. Contains stearic acid which is a fungal acne concern.
A self-emulsifying version of glyceryl stearate that creates stable oil-in-water emulsions without additional emulsifiers.
The simplest amino acid, used as a skin-conditioning and anti-ageing ingredient.
Smallest AHA that penetrates skin effectively. Exfoliates dead skin cells, improves texture, and stimulates collagen.
Anti-inflammatory and skin-brightening botanical. Contains glabridin which inhibits melanin production.
H
Natural astringent with anti-inflammatory properties. Most commercial forms contain alcohol which can be irritating.
Linoleic acid-rich oil that supports the skin barrier. Non-comedogenic and suitable for acne-prone skin.
A synthetic fragrance compound with a sweet, jasmine-like scent commonly used in perfumery.
A solvent and humectant that helps dissolve other ingredients while providing light hydration.
An amino acid with antioxidant properties used in skincare.
Chemical UVB filter. Concerns about potential endocrine activity at high concentrations.
Korean botanical extract known for its soothing and anti-inflammatory properties.
Naturally occurring humectant that can hold up to 1000x its weight in water. Excellent for hydration without heaviness.
A modified lecithin with enhanced stability that functions as an emulsifier and skin-conditioning agent.
Protein that provides hydration when applied topically. Too large to penetrate skin and rebuild collagen.
A low molecular weight form of hyaluronic acid that penetrates deeper to hydrate from within.
Most effective skin-lightening agent that inhibits tyrosinase. Restricted in many countries. Avoid in pregnancy.
Plant-derived thickener and film-forming agent. Non-irritating and suitable for sensitive skin products.
Next-generation retinoid ester that binds directly to retinoid receptors. Less irritating than retinol.
I
Formaldehyde-releasing preservative. Common cause of contact dermatitis.
Volatile hydrocarbon that gives a lightweight feel and helps products dry quickly. Common in primers and foundations.
Lightweight hydrocarbon emollient. Gives a silky, non-greasy feel.
An essential amino acid that supports skin repair and conditioning.
A multi-functional humectant that provides long-lasting hydration while improving product texture.
Drying solvent that strips the skin barrier and increases transepidermal water loss significantly.
Emollient ester that is comedogenic. Used in cosmetics for skin-conditioning.
Emollient and penetration enhancer that is highly comedogenic. Commonly used to improve product spreadability.
Emollient and thickener that is highly comedogenic and a known fungal acne trigger.
Emollient ester used in cosmetics for its skin-conditioning properties. Comedogenic.
K
L
Gentle AHA that exfoliates while also providing hydration. Good for sensitive and dry skin types.
A large-molecule poly-hydroxy acid that gently exfoliates while acting as a powerful humectant and antioxidant.
Natural emollient derived from sheep wool. Rich moisturizer but can cause breakouts and allergic reactions.
A surfactant and emulsifier that helps blend oil and water while providing cleansing properties.
Saturated fatty acid with antibacterial properties but feeds malassezia yeast. Found abundantly in coconut oil.
Popular essential oil with calming fragrance. Contains linalool and linalyl acetate which can sensitize skin.
A natural emulsifier and skin-conditioning agent derived from soybeans or sunflower seeds.
Citrus-scented fragrance component. Common allergen that forms sensitizing oxidation products on skin.
Fragrance component found in many essential oils. Common allergen that oxidizes on skin to form sensitizing compounds.
Essential fatty acid beneficial for acne-prone skin. Acne-prone skin is often deficient in linoleic acid.
M
A Centella asiatica-derived compound that calms inflammation and supports skin healing.
Active compound from Centella asiatica with powerful wound-healing and anti-inflammatory properties.
A disaccharide sugar used as a humectant and skin conditioner.
Larger AHA molecule that penetrates slowly, making it gentler. Effective for acne, hyperpigmentation, and aging.
Rich emollient butter similar to shea butter. Contains stearic and oleic acids.
Antibacterial and antifungal essential oil popular for acne treatment. Can be irritating and sensitizing.
Essential oil containing menthol. Creates a cooling sensation through irritation. Can damage the skin barrier.
Cooling agent derived from mint that provides a tingling sensation. Can irritate and sensitize skin.
Preservative usually paired with methylisothiazolinone (MCI/MI). Strong sensitizer.
Potent preservative that became the 'Contact Allergen of the Year' in 2013. Now restricted in leave-on products in EU.
Common preservative from the paraben family. Effective antimicrobial with controversial safety profile.
Water-soluble UVA filter that is photostable and often combined with Mexoryl XL.
Oil-soluble broad-spectrum filter covering UVA and UVB with silicone compatibility.
Highly refined occlusive ingredient that prevents transepidermal water loss. Cosmetic-grade is non-comedogenic.
A lightweight emollient ester that provides a non-greasy feel and helps improve product spreadability.
Saturated fatty acid commonly used in cleansers as a surfactant. Comedogenic and feeds malassezia.
Emollient wax ester with a high comedogenic potential. Used as a thickener and opacifier.
N
O
Soothing botanical extract rich in beta-glucan that calms and moisturizes skin.
Common UVB chemical sunscreen filter. Concerns about endocrine disruption.
Oil-soluble UVB filter that stabilizes avobenzone and enhances SPF.
Chemical UV filter and stabilizer for avobenzone. Used in many sunscreen formulations.
Classic oil high in oleic acid. Moisturizing but can worsen acne by disrupting the skin barrier.
Unsaturated fatty acid that is a penetration enhancer. Can disrupt skin barrier in acne-prone individuals.
An emulsifier and surfactant derived from oleyl alcohol that helps stabilise oil-in-water formulations.
Traditional Asian beauty ingredient rich in antioxidants, vitamins, and minerals. Brightens and softens skin.
Chemical UV filter with broad-spectrum protection. Concerns about endocrine disruption and pregnancy safety.
P
A naturally occurring humectant and key component of the skin's natural moisturising factor.
Emulsifier and surfactant commonly used in moisturizers and cleansers.
A solubiliser and emulsifier that helps mix oil and water-based ingredients in skincare formulations.
A mild surfactant and emulsifier derived from coconut oil that provides gentle cleansing while maintaining skin moisture.
Saturated fatty acid used as an emollient and emulsifier. Common in palm oil and animal fats.
Anti-aging peptide that stimulates collagen production and helps reduce the appearance of fine lines and wrinkles.
Provitamin B5 that deeply moisturizes, soothes irritation, and supports skin barrier repair.
A humectant and preservative booster that helps skin stay hydrated while improving product stability.
Nutrient-rich oil with vitamins A, D, and E. Moderately comedogenic with fatty acids that may feed malassezia.
Gold-standard occlusive that prevents up to 99% of transepidermal water loss. Seals in moisture effectively.
Widely used preservative considered a safer alternative to parabens. Effective against gram-negative bacteria.
A high-gloss silicone that enhances shine and provides a luxurious feel in hair and skin products.
An essential amino acid used as a skin-conditioning agent.
Lipid naturally found in skin that has antimicrobial properties and supports ceramide synthesis.
A plant-derived emollient and skin-conditioning ester.
Humectant that holds 4-5x more water than hyaluronic acid. Also inhibits hyaluronidase to preserve natural HA.
A mild, plant-derived emulsifier that creates stable emulsions while being gentle on skin.
A plant-based emulsifier that creates stable emulsions while providing a pleasant skin feel.
Emulsifier and solubilizer. Contains lauric acid moiety which is a fungal acne concern.
Emulsifier and surfactant commonly used in creams and lotions. Known fungal acne trigger.
Emulsifier containing oleic acid moiety. Known fungal acne trigger and moderately comedogenic.
Mild preservative effective against fungi and yeast. Often paired with sodium benzoate.
An amino acid essential for collagen production and skin elasticity.
Plant-derived humectant and solvent alternative to propylene glycol. Lightweight and well-tolerated.
Bee-derived resin with antimicrobial and antioxidant properties for skin protection.
Humectant and penetration enhancer. Effective moisturizer but can cause irritation in sensitive individuals.
Paraben preservative with stronger antimicrobial activity than methylparaben. Slightly more controversial.
Gentle emollient oil rich in vitamin E and fatty acids. Moderately comedogenic.
A small α-keto acid that provides stronger exfoliation than glycolic acid while stimulating collagen and sebum reduction.
Q
R
Polyphenol antioxidant found in grapes and berries. Protects against UV damage and has anti-aging properties.
Direct precursor to retinoic acid, stronger than retinol with faster results. One conversion step from active form.
Gold-standard anti-aging ingredient that increases cell turnover, boosts collagen, and treats acne. Must avoid during pregnancy.
Mild retinoid ester. Gentler than retinol but still a vitamin A derivative to avoid in pregnancy.
Gentle retinoid ester that converts to retinol in the skin. Milder but still contraindicated in pregnancy.
Thick oil high in ricinoleic acid. Used for its emollient and humectant properties.
Lightweight facial oil rich in linoleic acid, vitamin A, and vitamin C. Helps with scars and hyperpigmentation.
Antioxidant botanical extract that helps protect skin from environmental stressors.
Nutrient-rich bee secretion that nourishes and conditions skin with vitamins and minerals.
S
A plant-derived carbohydrate complex that binds to skin for long-lasting hydration.
Oil-soluble BHA that penetrates pores to clear congestion and reduce acne. Anti-inflammatory properties.
Lipid molecule that combines anti-acne and anti-inflammatory benefits with skin barrier support.
An amino acid that supports skin hydration and barrier function.
Technically a liquid wax ester that closely mimics skin's natural sebum. Balances oil production and moisturizes.
K-beauty staple rich in glycoproteins, glycolic acid, and hyaluronic acid. Hydrates, repairs, and soothes skin.
Preservative effective in acidic formulations. Often paired with potassium sorbate.
A salt-based preservative that prevents microbial growth in water-based products.
The sodium salt of hyaluronic acid that deeply hydrates and plumps skin by holding up to 1000 times its weight in water.
Strong base used as a pH adjuster. Present in tiny amounts in final formulations and is fully reacted.
Milder cousin of SLS but still a potentially irritating surfactant. Common in shampoos and cleansers.
Harsh surfactant that effectively cleanses but strips natural oils and disrupts the skin barrier.
Part of the skin's natural moisturizing factor (NMF). Highly effective humectant.
An emulsifier that helps blend oil and water phases in cosmetic formulations while providing a silky skin feel.
Emulsifier derived from oleic acid. Fungal acne trigger due to its fatty acid content.
Emulsifier derived from stearic acid. Used to stabilize emulsions in skincare products.
A sugar alcohol humectant that attracts and retains moisture in the skin.
Lightweight, stable oil that mimics skin's natural sebum. Excellent emollient that is non-comedogenic.
Common fatty acid used as an emulsifier and thickener. Moderately comedogenic and a fungal acne concern.
Fatty alcohol used as an emollient, emulsifier, and thickener. Not a drying alcohol.
A dicarboxylic acid with antimicrobial and anti-inflammatory properties that helps control acne and sebum oxidation.
Antibacterial and antifungal acne treatment that reduces oiliness and helps dry out blemishes.
T
Potent prescription retinoid for acne and psoriasis. Category X in pregnancy.
Rich, heavy butter that deeply moisturizes but is highly comedogenic. Best reserved for body care.
Patented brightening ingredient by Beiersdorf. Highly effective tyrosinase inhibitor for dark spots.
An essential amino acid that supports collagen and elastin production.
Micronized organic filter that absorbs, scatters and reflects UVA/UVB rays.
Photostable broad-spectrum filter covering both UVA and UVB ranges.
Mineral UV filter providing primarily UVB protection. Gentle physical sunscreen ingredient.
Fat-soluble antioxidant that protects cell membranes from oxidative damage and moisturizes skin.
Stable form of vitamin E used as an antioxidant and skin-conditioning agent.
Synthetic amino acid that effectively reduces hyperpigmentation, melasma, and dark spots by inhibiting melanin transfer.
Natural sugar that protects skin cells from dehydration and environmental stress.
Prescription-strength retinoid and the most potent topical form. Proven for acne and anti-aging. Strictly avoid in pregnancy.
pH adjuster and emulsifier. Can form nitrosamines under certain conditions.
A film-forming silicone resin that creates long-wearing, water-resistant barriers in cosmetics.
Nutrient-rich oil high in vitamin E but extremely comedogenic. One of the highest-rated pore-clogging oils.
U
Naturally occurring antioxidant that declines with age. Energizes skin cells and reduces oxidative damage.
Natural moisturizing factor component. Humectant at low concentrations, keratolytic exfoliant at higher ones (>10%).
Oil-soluble UVA filter that stabilizes other UV filters and boosts SPF performance.
Highly efficient oil-soluble UVB filter with strong photostability and low skin penetration.