La Roche-Posay la roche posay active c10 2
La Roche-Posay la roche posay active c10 2 lists 26 ingredients on its label, 26 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
- Aqua/Water
- Ascorbic Acid
- Dimethicone
- C12-15 Alkyl Benzoate
- Glycerin
- Ethylhexyl Palmitate
- Potassium Hydroxide
- Cetyl Alcohol
- PEG-100 Stearate
- Glyceryl Stearate
- Isobutane
- Dimethicone/Vinyl Dimethicone Crosspolymer
- Dimethiconol
- Sodium Hyaluronate
- Ammonium Polyacryloyldimethyl Taurate
- Disodium EDTA
- Propylene Glycol
- Caprylyl Glycol
- Biosaccharide Gum-1
- Xanthan Gum
- Acrylonitrile
- Methyl Methacrylate!
- Vinylidene Chloride Copolymer
- Tocopheryl Acetate
- Phenoxyethanol
- Parfum/Fragrance
Highlights
Free of alcoholFree of parabensFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains siliconesContains PEGContains EU-26 allergensContains fragrance
Formulation view Vitamin C focus with silicone sealing and glycerin/Hyaluronic acid. Emulsified with cetyl alcohol/PEG; acrylic copolymer for feel. Phenoxyethanol preservation. For antioxidant care. Factory view: L-ascorbic acid stability is challenging; strict light/pH control needed.
Key ingredients
- 溶剂
- Aqua/Water
- ANTIOXIDANT
- Ascorbic Acid
- ANTIFOAMING
- Dimethicone
- ANTIMICROBIAL
- C12-15 Alkyl Benzoate
- DENATURANT
- Glycerin
- SKIN CONDITIONING - EMOLLIENT
- Ethylhexyl PalmitateCetyl Alcohol
- BUFFERING · 限制 III
- Potassium Hydroxide
Other ingredients
PEG-100 StearateGlyceryl StearateIsobutaneDimethicone/Vinyl Dimethicone CrosspolymerDimethiconolSodium HyaluronateAmmonium Polyacryloyldimethyl TaurateDisodium EDTAPropylene GlycolCaprylyl GlycolBiosaccharide Gum-1Xanthan GumAcrylonitrileMethyl Methacrylate!Vinylidene Chloride CopolymerTocopheryl AcetatePhenoxyethanolParfum/Fragrance
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aqua/Water | 溶剂 | 0 · 0 | Green |
| Ascorbic Acid | ANTIOXIDANT, BUFFERING, FRAGRANCE, SKIN CONDITIONING | 2 · 0 | Green |
| Dimethicone | ANTIFOAMING, SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING, SKIN PROTECTING | 0 · 0 | Green |
| C12-15 Alkyl Benzoate | ANTIMICROBIAL, SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING | 0 · 2 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Ethylhexyl Palmitate | SKIN CONDITIONING - EMOLLIENT, PERFUMING | 0 · 1 | Green |
| Potassium Hydroxide | BUFFERING · 限制 III/15a, 15d | 3 · – | Yellow |
| Cetyl Alcohol | SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, EMULSION STABILISING, SURFACTANT - FOAM BOOSTING, FRAGRANCE, OPACIFYING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 1 · 1 | Green |
| PEG-100 Stearate | SURFACTANT - CLEANSING | 0 · – | Green |
| Glyceryl Stearate | SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING | 0 · 0 | Green |
| Isobutane | PROPELLANT | 0 · 0 | Red |
| Dimethicone/Vinyl Dimethicone Crosspolymer | SKIN CONDITIONING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Dimethiconol | ANTIFOAMING, SKIN CONDITIONING - EMOLLIENT, MOISTURISING | 0 · 3 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Ammonium Polyacryloyldimethyl Taurate | EMULSION STABILISING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Disodium EDTA | CHELATING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Propylene Glycol | HUMECTANT, FRAGRANCE, SOLVENT, VISCOSITY CONTROLLING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS | 1 · 0 | Green |
| Caprylyl Glycol | DEODORANT, SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Biosaccharide Gum-1 | SKIN CONDITIONING | 0 · 0 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Acrylonitrile | 附录 II · 限制 <empty>; as a constituent of other substances, or in mixtures, in concentrations equal to, or greater than 0.1% by weight | 5 · – | Red |
| Methyl Methacrylate! | 成膜剂 | 1 · 0 | Green |
| Vinylidene Chloride Copolymer | 增稠剂,成膜剂,黏合剂 | 2 · – | Green |
| Tocopheryl Acetate | ANTIOXIDANT, SKIN CONDITIONING | 0 · 0 | Green |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Parfum/Fragrance | 香精 | 1 · – | Yellow |
Ingredients explained
- Aqua/Water
- Solvent, formulation base; requires preservation, pure water is microbially prone.
- Ascorbic Acid
- Vitamin C, potent antioxidant requiring acidic environment for stability; oxidizes and discolors easily, needs light and air protection, concentration 1-10%, pure L-ascorbic acid is more irritating.
- Dimethicone
- Silicone occlusive at 1–5%; provides smooth feel, non-penetrating, suitable for sensitive skin
- C12-15 Alkyl Benzoate
- C12-15 alkyl benzoate; emollient, emulsifier, and antistatic; aids stability and smoothness, moderate low comedogenicity.
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Ethylhexyl Palmitate
- Synthetic ester emollient with light skin feel; small molecule, slightly comedogenic, use cautiously for acne-prone skin, often blended with other oils.
- Potassium Hydroxide
- Strong alkali pH adjuster, trace usage (<0.1%); corrosive, must be neutralized.
- Cetyl Alcohol
- Cetyl alcohol for emulsification/thickening; high concentration >10% may irritate.
- PEG-100 Stearate
- Non-ionic emulsifier, requires ionics for stability; check PEG for formaldehyde.
- Glyceryl Stearate
- Emulsifier at 1-3%; may require acid to prevent saponification
- Isobutane
- Propellant for aerosol products, flammable; store and transport away from fire sources
- Dimethicone/Vinyl Dimethicone Crosspolymer
- Crosslinked silicone thickener at 0.5-2%; silky/matte feel, non-comedogenic, partial oil phase incompatibility, use co-solvent/pre-emulsification.
- Dimethiconol
- Dimethiconol; silicone emollient providing silky feel and reducing friction; moderate comedogenicity, avoid excess.
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Ammonium Polyacryloyldimethyl Taurate
- Cationic water-soluble polymer; stabilizer and conditioner, test compatibility with anions
- Disodium EDTA
- Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy
- Propylene Glycol
- Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.
- Caprylyl Glycol
- Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol
- Biosaccharide Gum-1
- Biosaccharide Gum-1, fermented colloid for hydration and soothing, low comedogenic.
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- Acrylonitrile
- Toxic, sensitizer monomer; strictly prohibited in cosmetics (Appendix II). Supplier COA must verify low/unpolymerized monomer levels.
- Methyl Methacrylate!
- Film former, control free monomer, used in hair sprays
- Vinylidene Chloride Copolymer
- Thickener, film former, adhesive; used in lipsticks or gels. Handle with appropriate PPE due to potential irritancy.
- Tocopheryl Acetate
- Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Parfum/Fragrance
- Blended fragrance for odor; contains 26 restricted allergens, use caution in sensitive/child/eye products, verify compliance.
Source: full ingredient list published on the product label, collected 2026-09-17. Ratings are our internal reading, not a regulatory conclusion. · Product page
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