Below is every ingredient in Cosrx The Retinol 01 Cream 20Ml explained, its standout actives, and the side effects reported in research for those actives — analysed for Indian skin.
Flags derived from the ingredient list using dermatology reference data (fungal-acne substrate, comedogenicity, EU allergens). General guidance, not a diagnosis.
Answers are derived from the printed ingredient list and dermatology reference data — general guidance, not a diagnosis or a therapeutic claim.
Tocopheryl acetate is a stable, esterified form of vitamin E used in skincare as an antioxidant and conditioning agent. It is converted to active tocopherol in the skin, helping protect against oxidative stress and supporting the skin barrier.
Tocopherol (vitamin E) is a lipid-soluble antioxidant used in skincare to protect skin and formulations from oxidative damage caused by free radicals and UV exposure. It also functions as a skin-conditioning and emollient agent and can stabilize oils against rancidity.
Daucus Carota Sativa (Carrot) Root Extract is a botanical extract rich in carotenoids (beta-carotene), vitamins, and antioxidants used in skincare for its conditioning and antioxidant properties. It is commonly included to support skin tone and provide protective benefits against oxidative stress.
Retinol is a vitamin A derivative that is converted in the skin to retinoic acid, promoting cell turnover, stimulating collagen synthesis, and improving signs of photoaging and acne. At 0.1% it is a moderate-strength over-the-counter concentration.
Allantoin is a naturally derived or synthetically produced compound used in skincare for its soothing, moisturizing, and keratolytic (skin-softening) properties. It promotes cell proliferation and helps calm irritation, commonly appearing in creams, lotions, and after-sun products.
Tocotrienols are a subgroup of vitamin E compounds used in skincare for their antioxidant activity, helping protect skin lipids from oxidative damage caused by UV exposure and environmental stressors. They are often combined with tocopherols and other antioxidants to enhance stability and skin protection.
Aggregated from the active ingredients in this product.
| Reported effect | How often | Notes |
|---|---|---|
| Mild contact irritation | Rare | Occasional redness or stinging, usually in sensitive or compromised skin. |
| Allergic contact dermatitis | Very rare | Isolated case reports; considered a low-sensitizing ingredient. |
| Comedogenicity / clogged pores | Rare | Generally low comedogenic potential, but acne-prone individuals may occasionally react. |
| Mild skin irritation | Uncommon | Transient stinging or redness, more likely on compromised or sensitive skin. |
| Enhanced penetration of co-formulated irritants | Uncommon | As a penetration enhancer it may increase absorption and irritation potential of other actives. |
| Mild transient stinging or irritation | Uncommon | More likely at high concentrations or on compromised/broken skin. |
| Tacky or sticky skin feel | Common | A cosmetic sensation rather than an adverse reaction, more noticeable at higher concentrations. |
| Contact dermatitis or allergic reaction | Rare | True allergy to glycerin is uncommon; patch-test positivity is infrequent. |
| Skin dehydration in very low humidity | Rare | In very dry environments humectants may draw water from deeper skin layers if not paired with an occlusive. |
| Contact dermatitis (irritant or allergic) | Uncommon | Reported in patch-test studies, more often with leave-on or high-concentration products. |
| Allergic contact dermatitis with eczematous reaction | Rare | Documented sensitization to vitamin E derivatives in case reports. |
| Erythema multiforme-like or widespread eruptions | Very rare | Isolated case reports following topical application. |
| Folliculitis or comedogenic reactions | Rare | Possible in acne-prone individuals due to oily vehicle. |
| Skin irritation | Rare | Mild irritation or redness possible, generally in sensitive or compromised skin. |
| Cross-reactivity with other fatty alcohols | Rare | Individuals sensitized to cetyl or stearyl alcohol may react to the blend. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
| Ingredient | What it does |
|---|---|
| Caprylic/Capric Triglyceride Emollient / skin-conditioning agent | Caprylic/Capric Triglyceride is a lightweight emollient derived from coconut or palm oil and glycerin, used to soften skin, improve spreadability, and act as a solvent for oil-soluble ingredients. It is well-tolerated and serves primarily as a base ingredient rather than an active. |
| Propanediol Humectant/solvent | Propanediol is a plant-derived glycol used in skincare as a humectant, solvent, and penetration enhancer that improves moisturization and the spreadability of formulations. It also helps solubilize other ingredients and can boost the efficacy of certain actives. |
| Glycerin Humectant | Glycerin is a widely used humectant that attracts and retains water in the skin, helping to hydrate the stratum corneum and support barrier function. It is considered safe and well-tolerated across most skin types and concentrations. |
| Tocopheryl Acetate Key active Antioxidant | Tocopheryl acetate is a stable, esterified form of vitamin E used in skincare as an antioxidant and conditioning agent. It is converted to active tocopherol in the skin, helping protect against oxidative stress and supporting the skin barrier. |
| Cetearyl Alcohol Emollient/emulsifier | Cetearyl alcohol is a fatty alcohol blend (cetyl and stearyl alcohol) used in skincare as an emollient, emulsion stabilizer, and thickening agent. It helps soften skin and keep oil and water phases blended in creams and lotions. |
| Trehalose Humectant / moisturizer | Trehalose is a naturally occurring disaccharide used in skincare as a humectant and protective agent, helping retain moisture and stabilize cell membranes and proteins against dehydration and oxidative stress. It is well tolerated and commonly used to support skin barrier hydration. |
| Panthenol Humectant / skin-conditioning agent | Panthenol (provitamin B5) is converted to pantothenic acid in the skin, where it acts as a humectant and helps support skin barrier function and hydration. It is also used for its soothing and mild anti-inflammatory properties in topical formulations. |
| Butyrospermum Parkii (Shea) Butter Emollient / occlusive moisturizer | Butyrospermum Parkii (Shea) Butter is a plant-derived fat extracted from the nuts of the African shea tree, rich in triglycerides and unsaponifiables. It is widely used in skincare to soften, smooth, and condition the skin while forming an occlusive barrier that reduces water loss. |
| Glycine Soja (Soybean) Oil Emollient / antioxidant | Glycine Soja (Soybean) Oil is a plant-derived oil rich in linoleic acid, tocopherols, and phytosterols used in skincare to soften skin, reinforce the barrier, and provide mild antioxidant activity. It functions primarily as a base emollient rather than a targeted treatment active. |
| Ammonium Acryloyldimethyltaurate/VP Copolymer Thickener/stabilizer | Ammonium Acryloyldimethyltaurate/VP Copolymer is a synthetic acrylic copolymer used in skincare to thicken, gel, and stabilize emulsions, providing viscosity control and a smooth texture. It functions as a rheology modifier and film former rather than a biologically active treatment ingredient. |
| Dimethicone Emollient/occlusive (silicone) | Dimethicone is a silicone-based polymer used in skincare to soften skin, smooth texture, and form a breathable protective barrier that reduces transepidermal water loss. It is widely used as a base/formulation ingredient rather than a therapeutic active. |
| Glyceryl Polymethacrylate Film former / humectant | Glyceryl Polymethacrylate is a synthetic polymer derived from glycerin and methacrylic acid, used in cosmetics as a film-forming agent, humectant, and texture enhancer. It helps create a smooth, hydrating film on the skin and improves the spreadability and feel of formulations. |
| Helianthus Annuus (Sunflower) Seed Oil Emollient / skin-conditioning oil | Helianthus Annuus (Sunflower) Seed Oil is a plant-derived oil rich in linoleic acid and vitamin E used to soften skin and support the skin barrier. It functions as an emollient and occlusive agent in many cosmetic formulations. |
| Polyglyceryl-10 Stearate Emulsifier | Polyglyceryl-10 Stearate is a non-ionic emulsifier and surfactant derived from polyglycerol and stearic acid, used to blend oil and water phases and stabilize emulsions in skincare formulations. It is valued for its mildness and is common in formulations marketed as gentle or PEG-free. |
| Hydrogenated Lecithin Emollient / Emulsifier | Hydrogenated lecithin is a phospholipid derived from lecithin through hydrogenation, used in skincare as an emulsifier, emollient, and skin-conditioning agent. It also helps stabilize formulations and form liposomes that can aid delivery of other ingredients. |
| Carbomer Thickener / gelling agent | Carbomer is a synthetic high-molecular-weight polymer of acrylic acid used to thicken, stabilize, and control the viscosity of gels, creams, and lotions. It functions as a formulation aid rather than a therapeutic active. |
| Tromethamine pH adjuster / buffering agent | Tromethamine (trometamol, TRIS) is an organic amine base used in cosmetic and topical formulations to neutralize acidic components and stabilize pH. It functions primarily as a buffering and neutralizing agent rather than as a therapeutic active. |
| Glyceryl Stearate Emulsifier/emollient | Glyceryl Stearate is a glycerol ester of stearic acid widely used as a non-ionic emulsifier and emollient to stabilize oil-in-water formulations and improve skin feel. It functions as a base/formulation ingredient rather than a therapeutic active. |
| Polysilicone-11 Film-former / texturizer | Polysilicone-11 is a silicone-based crosslinked polymer used in cosmetics to form a smooth, flexible film on the skin, providing mattifying, blurring, and texture-improving effects. It is commonly found in primers, foundations, and sunscreens as a formulation ingredient rather than a treatment active. |
| Sodium Sulfite Antioxidant/preservative | Sodium sulfite is an inorganic salt used in cosmetic formulations primarily as an antioxidant and preservative to prevent oxidation and discoloration of products. It is generally considered a formulation ingredient rather than a treatment active. |
| Tocopherol Key active Antioxidant | Tocopherol (vitamin E) is a lipid-soluble antioxidant used in skincare to protect skin and formulations from oxidative damage caused by free radicals and UV exposure. It also functions as a skin-conditioning and emollient agent and can stabilize oils against rancidity. |
| Daucus Carota Sativa (Carrot) Root Extract Key active Antioxidant / skin-conditioning | Daucus Carota Sativa (Carrot) Root Extract is a botanical extract rich in carotenoids (beta-carotene), vitamins, and antioxidants used in skincare for its conditioning and antioxidant properties. It is commonly included to support skin tone and provide protective benefits against oxidative stress. |
| Retinol(0.1%) Key active Anti-aging active (retinoid) | Retinol is a vitamin A derivative that is converted in the skin to retinoic acid, promoting cell turnover, stimulating collagen synthesis, and improving signs of photoaging and acne. At 0.1% it is a moderate-strength over-the-counter concentration. |
| Allantoin Key active Soothing/skin-conditioning agent | Allantoin is a naturally derived or synthetically produced compound used in skincare for its soothing, moisturizing, and keratolytic (skin-softening) properties. It promotes cell proliferation and helps calm irritation, commonly appearing in creams, lotions, and after-sun products. |
| Glyceryl Caprylate Emollient / antimicrobial co-preservative | Glyceryl Caprylate is a monoglyceride derived from glycerin and caprylic acid, used in skincare as an emollient, moisturizing agent, and skin-conditioning component with mild antimicrobial properties that support preservation. It is commonly employed to help stabilize formulations and reduce reliance on conventional preservatives. |
| Oryza Sativa (Rice) Bran Wax Emollient / thickener | Oryza Sativa (Rice) Bran Wax is a plant-derived wax obtained from rice bran oil, used in cosmetics as a thickening agent, emollient, and structuring component in balms, sticks, and emulsions. It helps provide consistency, texture, and a protective barrier on the skin. |
| Tocotrienols Key active Antioxidant | Tocotrienols are a subgroup of vitamin E compounds used in skincare for their antioxidant activity, helping protect skin lipids from oxidative damage caused by UV exposure and environmental stressors. They are often combined with tocopherols and other antioxidants to enhance stability and skin protection. |
| Stearic Acid Emulsifier / thickener | Stearic acid is a saturated long-chain fatty acid widely used in cosmetics as an emulsifier, thickening agent, and emollient to stabilize creams and lotions. It is generally considered a base/formulation ingredient rather than a therapeutic active. |
| Polyglyceryl-3 Methylglucose Distearate Emulsifier | Polyglyceryl-3 Methylglucose Distearate is a non-ionic, plant-derived emulsifier composed of glycerin, glucose and stearic acid, used to create stable oil-in-water emulsions in creams and lotions. It is valued for its mildness and skin compatibility, often used in natural and sensitive-skin formulations. |
| Palmitic Acid Emollient / surfactant | Palmitic acid is a saturated fatty acid commonly used in skincare as an emollient, emulsifier, and cleansing agent that helps soften skin and stabilize formulations. It is also a natural component of the skin's lipid barrier. |
| Disodium EDTA Chelating agent | Disodium EDTA is a chelating agent used in cosmetics to bind metal ions, improving product stability, preventing rancidity, and enhancing the efficacy of preservatives. It is a formulation/base ingredient rather than a treatment active. |
| Ethylhexylglycerin Preservative booster / skin-conditioning agent | Ethylhexylglycerin is a multifunctional glyceryl ether used in cosmetics primarily as a preservative-enhancing agent and emollient, often paired with phenoxyethanol to broaden antimicrobial efficacy. It also acts as a deodorizing agent and humectant in skincare formulations. |
| Adenosine Key active Anti-aging/soothing active | Adenosine is a nucleoside that signals through cell-surface receptors to promote dermal fibroblast activity and collagen/elastin production, helping reduce the appearance of fine lines and wrinkles. It also has anti-inflammatory and soothing properties at low concentrations commonly used in cosmetics (around 0.04-0.1%). |
| Sorbitan Isostearate Emulsifier / surfactant | Sorbitan isostearate is a sorbitan ester of isostearic acid used as a nonionic emulsifier and stabilizer in oil-in-water and water-in-oil cosmetic formulations. It helps blend oil and water phases and improves texture and spreadability. |
| Elaeis Guineensis (Palm) Oil Emollient / skin-conditioning agent | Elaeis Guineensis (Palm) Oil is a plant-derived oil rich in fatty acids (palmitic and oleic) and tocopherols/tocotrienols, used in skincare to soften skin and provide an occlusive, emollient effect. It also serves as a base for soaps and a source of vitamin E. |
| BHT Antioxidant/preservative | BHT (butylated hydroxytoluene) is a synthetic phenolic antioxidant used in small amounts to prevent oxidation and rancidity of oils, fragrances, and other unstable components, helping maintain product stability and shelf life. |
| Beta-Carotene Key active Antioxidant / provitamin A colorant | Beta-carotene is a carotenoid pigment and provitamin A antioxidant used in skincare to help neutralize free radicals and provide mild orange-yellow coloration. It can be converted to retinol in the body and is also valued for supporting skin defense against oxidative stress. |
| Myristic Acid Surfactant/cleansing agent | Myristic acid is a saturated fatty acid commonly used in skincare as a cleansing and emulsifying agent, often reacted with alkalis to form soap-based surfactants. It contributes to foaming and texture in cleansers and other formulations. |
| Lauric Acid Cleansing/surfactant & emollient fatty acid | Lauric acid is a medium-chain saturated fatty acid commonly derived from coconut or palm kernel oil, used in skincare as a cleansing agent, emulsifier, and emollient. It also has documented antimicrobial activity, particularly against Cutibacterium acnes. |
| Ascorbic Acid Key active Antioxidant / brightening active | Ascorbic acid (vitamin C) is a water-soluble antioxidant used in skincare to neutralize free radicals, inhibit melanin synthesis, and support collagen production. It is valued for brightening, evening skin tone, and protecting against photodamage when used alongside sunscreen. |
| Limnanthes Alba (Meadowfoam) Seed Oil Emollient / occlusive | Limnanthes Alba (Meadowfoam) Seed Oil is a stable, long-chain fatty acid–rich plant oil used as an emollient and occlusive that conditions skin, reduces moisture loss, and improves the spreadability and oxidative stability of formulations. It is valued for its high resistance to rancidity due to its unusual long-chain fatty acid composition. |
| 3-O-Ethyl Ascorbic Acid Key active Antioxidant / brightening vitamin C derivative | 3-O-Ethyl Ascorbic Acid is a stable, water-soluble ethylated derivative of vitamin C that converts to ascorbic acid in the skin, providing antioxidant protection and supporting collagen synthesis and pigmentation control. It is valued for greater stability than pure L-ascorbic acid while delivering similar brightening and anti-aging benefits. |
| Glutathione Key active Antioxidant / skin-brightening agent | Glutathione is a tripeptide antioxidant used in skincare for its melanin-modulating and antioxidant properties, often promoted to reduce hyperpigmentation and even skin tone. Topical efficacy data is limited and variable, with stronger systemic effects associated with oral or intravenous routes. |
| Sodium Hyaluronate Humectant / hydrator | Sodium hyaluronate is the sodium salt of hyaluronic acid, a glycosaminoglycan that attracts and binds water to the skin to improve hydration and surface plumpness. Its lower molecular weight allows better penetration than native hyaluronic acid. |
| 2-Hexanediol Humectant/preservative-booster | 1,2-Hexanediol (commonly written 2-hexanediol) is a multifunctional diol used in skincare primarily as a humectant, solvent, and preservative-enhancing agent that improves the antimicrobial efficacy of formulations. It is generally well tolerated and considered a base/formulation ingredient rather than a treatment active. |
| Hydrolyzed Hyaluronic Acid Humectant / moisturizer | Hydrolyzed hyaluronic acid is a low-molecular-weight form of hyaluronic acid broken into smaller fragments, allowing better penetration into the skin to bind water and improve hydration. It is widely used in moisturizers and serums to enhance skin moisture content and surface smoothness. |
| Sodium Hyaluronate Crosspolymer Humectant / hydrating agent | Sodium Hyaluronate Crosspolymer is a chemically cross-linked form of sodium hyaluronate that forms a hydrated network, providing enhanced moisture retention and longer-lasting surface hydration compared to standard hyaluronic acid. It is widely used in moisturizers, serums, and masks to plump and smooth the skin surface. |
| Hyaluronic Acid Key active Humectant / hydrating agent | Hyaluronic acid is a glycosaminoglycan that attracts and binds water to the skin, helping to maintain hydration and improve the appearance of plumpness and smoothness. It is widely used in moisturizers and serums and is generally well tolerated across skin types. |
| Sodium Acetylated Hyaluronate Humectant / moisturizer | Sodium Acetylated Hyaluronate is an acetylated, sodium-salt derivative of hyaluronic acid used in skincare for its enhanced moisture retention and improved skin adherence compared to standard hyaluronic acid. The acetyl modification increases lipophilicity, allowing better surface binding and prolonged hydration. |
Key active = does the main work. Ingredient explanations are drawn from public databases & literature.
Peer-reviewed papers on the active ingredients in this product, via PubMed.