"BHAs, like salicylic acid, are more oil-soluble, and AHAs are more water-soluble. BHAs easily break through the skin cells' lipid layers and penetrate the skin at a deeper level than water ...
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The Right Way to Layer Skincare Ingredients, According to DermsWhat is the right order to apply skincare ingredients like retinol, vitamin C, hyaluronic acid, etc.? — @bettyrosegold.
Madan also suggests you do not layer multiple skincare products with glycolic acid on the same day. Beta-hydroxy acids (BHAs) Beta-hydroxy acids are oil-soluble acids that work as exfoliants.
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