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.
41 ingredients
| 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 |
| Benzoyl peroxide | Benzoyl Peroxide | Antimicrobial, Keratolytic | 2.5–10 % | 3 Sept 2026 | Strong |
| Butoxyethanol | Butoxyethanol | Solvent | — | 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 |
| Centella asiatica | Centella Asiatica Extract | Antioxidant, Anti-inflammatory, Soothing | 0.1–5 % | 19 Sept 2026 | Limited |
| Citric Acid | Citric Acid | pH adjuster, Chelator | 0.01–10 % | 5 Oct 2026 | Functional |
| Cyclopentasiloxane | Cyclopentasiloxane | Emollient, Solvent | — | 5 Oct 2026 | Functional |
| Dibutyl Adipate | Dibutyl Adipate | Emollient, Solvent | — | 5 Oct 2026 | Functional |
| Dimethyl Isosorbide | Dimethyl Isosorbide | Solvent | — | 5 Oct 2026 | Functional |
| Dipotassium Phosphate | Dipotassium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Dipropylene Glycol | Dipropylene Glycol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Disodium Phosphate | Disodium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Ethoxydiglycol | Ethoxydiglycol | Solvent | — | 5 Oct 2026 | Functional |
| Hexylene Glycol | Hexylene Glycol | Humectant, Solvent | — | 5 Oct 2026 | Functional |
| Isododecane | Isododecane | Solvent | — | 5 Oct 2026 | Functional |
| Isohexadecane | Isohexadecane | Solvent | — | 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 |
| Pentylene Glycol | Pentylene Glycol | Humectant, Solvent, Preservative | — | 5 Oct 2026 | Functional |
| Potassium Hydroxide | Potassium Hydroxide | pH adjuster | — | 5 Oct 2026 | Functional |
| Potassium Phosphate | Potassium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Propanediol | Propanediol | Humectant, Solvent | 1–20 % | 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 |
| Sodium Hydroxide | Sodium Hydroxide | pH adjuster | — | 5 Oct 2026 | Functional |
| Sodium Phosphate | Sodium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| T-Butyl Alcohol | t-Butyl Alcohol | Solvent | — | 5 Oct 2026 | Functional |
| Triethanolamine | Triethanolamine | pH adjuster | — | 5 Oct 2026 | Functional |
| Trisiloxane | Trisiloxane | Solvent | — | 5 Oct 2026 | Functional |
| Tromethamine | Tromethamine | pH adjuster | — | 5 Oct 2026 | Functional |
| Urea | Urea | Humectant, Barrier repair, Keratolytic | 5–10 % | 20 Aug 2026 | Strong |
| Water | Aqua / Water / Eau | Solvent | — | 5 Oct 2026 | Functional |
| Zinc oxide | Zinc Oxide | UV filter, Soothing | 5–25 % | 19 Sept 2026 | Strong |