Salicylic acid? BHA. Glycolic acid? AHA. Hyaluronic acid? Neither. Lactic acid? Also AHA. It can be tricky to figure out which ingredient falls under each umbrella, and even harder to understand ...
As well as already having cult status in the beauty industry, The Ordinary’s AHA 30% + BHA 2% Peeling Solution, £6.30, has blown up on social media and people are posting images of themselves b ...