The Index
Every ingredient, graded
INCI names in monospace, evidence grade at the row end, limits by region on every entry. Filter by what it does, what it's for, and where it's permitted.
| Ingredient | INCI | Function | Typical % | Updated | Evidence |
|---|---|---|---|---|---|
| 1,2-Hexanediol | 1,2-Hexanediol | Solvent, Preservative | — | 5 Oct 2026 | Functional |
| Adapalene | Adapalene | Retinoid, Anti-inflammatory, Keratolytic | 0.1–0.3 % | 27 Aug 2026 | Strong |
| Alcohol Denat | Alcohol Denat | Solvent | — | 5 Oct 2026 | Functional |
| Allantoin | Allantoin | Keratolytic, Soothing | 0.5–2 % | 5 Aug 2026 | Limited |
| Arginine | Arginine | Humectant, pH adjuster | — | 5 Oct 2026 | Functional |
| Azelaic acid | Azelaic Acid | Brightening, Anti-inflammatory, Antimicrobial, Keratolytic | 10–20 % | 19 Sept 2026 | Strong |
| BHT | BHT | Stabiliser | — | 5 Oct 2026 | Functional |
| Behentrimonium Methosulfate | Behentrimonium Methosulfate | Emulsifier, Conditioning agent | — | 5 Oct 2026 | Functional |
| Benzoyl peroxide | Benzoyl Peroxide | Antimicrobial, Keratolytic | 2.5–10 % | 3 Sept 2026 | Strong |
| Butoxyethanol | Butoxyethanol | Solvent | — | 5 Oct 2026 | Functional |
| Butylated Hydroxyanisole | Butylated Hydroxyanisole | Stabiliser | — | 5 Oct 2026 | Functional |
| Butylene Glycol | Butylene Glycol | Humectant, Solvent | 1–20 % | 5 Oct 2026 | Functional |
| Butyloctyl Salicylate | Butyloctyl Salicylate | Emollient, Solvent | — | 5 Oct 2026 | Functional |
| C13-14 Isoparaffin | C13-14 Isoparaffin | Solvent | — | 5 Oct 2026 | Functional |
| Caprylyl Gallate | Caprylyl Gallate | Stabiliser | — | 5 Oct 2026 | Functional |
| Caprylyl Glycol | Caprylyl Glycol | Humectant, Preservative | — | 5 Oct 2026 | Functional |
| Cocoyl Hydrolyzed Collagen | Cocoyl Hydrolyzed Collagen | Surfactant, Conditioning agent | — | 5 Oct 2026 | Functional |
| Cyclopentasiloxane | Cyclopentasiloxane | Emollient, Solvent | — | 5 Oct 2026 | Functional |
| Dibutyl Adipate | Dibutyl Adipate | Emollient, Solvent | — | 5 Oct 2026 | Functional |
| Diethylhexyl Syringylidenemalonate | Diethylhexyl Syringylidenemalonate | Stabiliser | — | 5 Oct 2026 | Functional |
| Dimethyl Isosorbide | Dimethyl Isosorbide | Solvent | — | 5 Oct 2026 | Functional |
| Dipropylene Glycol | Dipropylene Glycol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Dodecyl Gallate | Dodecyl Gallate | Stabiliser | — | 5 Oct 2026 | Functional |
| Ethoxydiglycol | Ethoxydiglycol | Solvent | — | 5 Oct 2026 | Functional |
| Ethylhexyl Gallate | Ethylhexyl Gallate | Stabiliser | — | 5 Oct 2026 | Functional |
| Ethylhexylglycerin | Ethylhexylglycerin | Preservative, Conditioning agent | — | 5 Oct 2026 | Functional |
| Glycerin | Glycerin | Humectant, Barrier repair | 2–10 % | 19 Sept 2026 | Strong |
| Glycolic acid | Glycolic Acid | Humectant, Exfoliant | 5–10 % | 19 Sept 2026 | Moderate |
| Hexylene Glycol | Hexylene Glycol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Hyaluronic acid | Sodium Hyaluronate | Humectant | 0.1–2 % | 19 Sept 2026 | Moderate |
| Isododecane | Isododecane | Solvent | — | 5 Oct 2026 | Functional |
| Isohexadecane | Isohexadecane | Solvent | — | 5 Oct 2026 | Functional |
| Lactic acid | Lactic Acid | Humectant, Exfoliant | 5–10 % | 19 Sept 2026 | Moderate |
| Magnesium Sulfate | Magnesium Sulfate | Stabiliser | — | 5 Oct 2026 | Functional |
| Methylpropanediol | Methylpropanediol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| PEG-12 | PEG-12 | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Panthenol | Panthenol | Humectant, Anti-inflammatory, Barrier repair, Soothing | 1–5 % | 19 Sept 2026 | Moderate |
| Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate | Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate | Stabiliser | — | 5 Oct 2026 | Functional |
| Pentylene Glycol | Pentylene Glycol | Humectant, Solvent, Preservative | — | 5 Oct 2026 | Functional |
| Potassium Cocoyl Hydrolyzed Collagen | Potassium Cocoyl Hydrolyzed Collagen | Surfactant, Conditioning agent | — | 5 Oct 2026 | Functional |
| Propanediol | Propanediol | Humectant, Solvent | 1–20 % | 5 Oct 2026 | Functional |
| Propyl Gallate | Propyl Gallate | Stabiliser | — | 5 Oct 2026 | Functional |
| Propylene Glycol | Propylene Glycol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Salicylic acid | Salicylic Acid | Exfoliant, Anti-inflammatory, Sebum regulating, Keratolytic | 0.5–2 % | 19 Sept 2026 | Strong |
| Simethicone | Simethicone | Stabiliser | — | 5 Oct 2026 | Functional |
| Sodium Cocoyl Hydrolyzed Collagen | Sodium Cocoyl Hydrolyzed Collagen | Surfactant, Conditioning agent | — | 5 Oct 2026 | Functional |
| T-Butyl Alcohol | t-Butyl Alcohol | Solvent | — | 5 Oct 2026 | Functional |
| TEA-Cocoyl Hydrolyzed Collagen | TEA-Cocoyl Hydrolyzed Collagen | Surfactant, Conditioning agent | — | 5 Oct 2026 | Functional |
| Trisiloxane | Trisiloxane | Solvent | — | 5 Oct 2026 | Functional |
| Urea | Urea | Humectant, Barrier repair, Keratolytic | 5–10 % | 20 Aug 2026 | Strong |
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