Incorporating Acids: Everything You Need to Know
The three major types of acids are alpha hydroxy acids (AHAs), beta hydroxy acids (BHAs) and polyhydroxy acids (PHAs). So, what’s the difference between them, and where should you start?
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The three major types of acids are alpha hydroxy acids (AHAs), beta hydroxy acids (BHAs) and polyhydroxy acids (PHAs). So, what’s the difference between them, and where should you start?
Read More