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.
20 ingredients
| Ingredient | INCI | Function | Typical % | Updated | Evidence |
|---|---|---|---|---|---|
| Adapalene | Adapalene | Retinoid, Anti-inflammatory, Keratolytic | 0.1–0.3 % | 27 Aug 2026 | Strong |
| 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 |
| Citric Acid | Citric Acid | pH adjuster, Chelator | 0.01–10 % | 5 Oct 2026 | Functional |
| Dipotassium Phosphate | Dipotassium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Disodium EDTA | Disodium EDTA | Chelator | — | 5 Oct 2026 | Functional |
| Disodium Phosphate | Disodium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Potassium Hydroxide | Potassium Hydroxide | pH adjuster | — | 5 Oct 2026 | Functional |
| Potassium Phosphate | Potassium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Salicylic acid | Salicylic Acid | Exfoliant, Anti-inflammatory, Sebum regulating, Keratolytic | 0.5–2 % | 19 Sept 2026 | Strong |
| Sodium Gluconate | Sodium Gluconate | Chelator | — | 5 Oct 2026 | Functional |
| Sodium Hydroxide | Sodium Hydroxide | pH adjuster | — | 5 Oct 2026 | Functional |
| Sodium Phosphate | Sodium Phosphate | pH adjuster | — | 5 Oct 2026 | Functional |
| Tetrasodium EDTA | Tetrasodium EDTA | Chelator | — | 5 Oct 2026 | Functional |
| Triethanolamine | Triethanolamine | pH adjuster | — | 5 Oct 2026 | Functional |
| Trisodium Ethylenediamine Disuccinate | Trisodium Ethylenediamine Disuccinate | Chelator | — | 5 Oct 2026 | Functional |
| Tromethamine | Tromethamine | pH adjuster | — | 5 Oct 2026 | Functional |
| Urea | Urea | Humectant, Barrier repair, Keratolytic | 5–10 % | 20 Aug 2026 | Strong |