Take a look at the INCI list of any bottle sitting in your cupboard, and it will likely include some sort of acid, whether that’s a BHA, PHA or AHA. Each one is designed to work differently ...
“Individuals with an allergy to aspirin should avoid salicylic acid since they are in the ... “It could be argued that if you use an effective BHA, then an AHA is not necessary since BHAs ...
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