High evidence
Go slowlyBenzoyl peroxide
Benzoyl Peroxide
An acne treatment active used in rinse-off and leave-on products.
Ingredient library
Know what’s
inside.
12 ingredients. 7 source-checked products.
12 ingredients
High evidence
Go slowlyAzelaic acid
Azelaic Acid
A treatment active used for blemish-prone skin and uneven-looking tone.
Good evidence
Usually gentleNiacinamide
A vitamin B3 ingredient used in barrier, tone and oil-balance formulas.
Good evidence
Go slowlyTranexamic acid
Tranexamic Acid
A topical tone-support ingredient used in discoloration formulas.
Good evidence
Go slowlyArbutin
A tone-support ingredient used in brightening formulas.
High evidence
Go slowlySalicylic acid
Salicylic Acid
A beta-hydroxy acid used in acne and exfoliating products.
Good evidence
Usually gentleCeramide NP
A skin-identical lipid used in barrier-support formulas.
Good evidence
Usually gentleCeramide AP
A skin-identical lipid used in barrier-support formulas.
Good evidence
Usually gentleCeramide EOP
A skin-identical lipid used in barrier-support formulas.
Good evidence
Usually gentleHyaluronic acid
Hydrolyzed Hyaluronic Acid
A humectant used to support surface hydration.
Early evidence
Go slowlySnail mucin
Snail Secretion Filtrate
A conditioning ingredient used in hydration-focused formulas.
High evidence
Go slowlyKetoconazole
An antifungal active used in medicated dandruff shampoos.
Key ingredients only. Formulas can change. Check your pack.