An Introduction to melasma
http://claytonbqdo719.westbluestudio.com/melasma-10-things-i-wish-i-d-known-earlier
Sunscreen in a stick; a non-hydroquinone, retinol-free skin tone corrector; and niacinamide are among the appealing therapies for hyperpigmentation, according to poster abstracts in a special issue of the October