Similar to AHAs and PHAs, BHAs dissolve the bonds between dead skin cells on the skin's surface. However, unlike the other two acids, oil-soluble BHAs can penetrate more deeply to reach the oil glands and penetrate blocked pores. This acid can break down skin cell buildup that may trigger breakouts, making it ideal for acne-prone skin.

      The most common BHA in the beauty world is salicylic acid, which reduces the likelihood of breakouts and keeps it looking blemish-free. BHAs can also address an uneven skin texture, fine lines and wrinkles. 

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