Glycolic acid
An exfoliating acid often made from sugar cane. Used in peels, toners, cleansers and serums.
THE INGREDIENT SHELF
Skincare actives: what they do and who should be careful
Actives are the ingredients added to do one particular job for your skin. Each page says what the research shows, who should take care, and where the evidence is thin.
9 ingredients
Alpha hydroxy acids (AHAs)
Beta hydroxy acids (BHAs)
Ascorbic acid family
Nicotinamides
Hydroquinone and arbutins
Other acids
Azelaic acid
An acid that also occurs in grains such as wheat and barley. Used in creams, gels and serums for breakouts and uneven skin tone.
Kojic acid
A skin-lightening ingredient made by fungi during fermentation. Used in creams, serums and soaps.
Tranexamic acid
An ingredient used in serums for dark patches. Also a medicine, taken as a tablet for other purposes.
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