Chemical exfoliants, such as alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs), are effective in unclogging pores and preventing blackheads. These exfoliants work by dissolving the bonds between dead skin cells, allowing them to be easily shed from the skin’s surface.
AHAs are water-soluble acids that work by exfoliating the surface of the skin. They are derived from natural sources like fruits (e.g., glycolic acid from sugar cane) or milk (e.g., lactic acid). AHAs are effective in treating blackheads as they help remove dead skin cells and unclog pores. They also have the added benefit of promoting collagen production, which can improve the overall texture and appearance of the skin.
BHAs, on the other hand, are oil-soluble acids that penetrate deep into the pores. The most common BHA used in skincare is salicylic acid, which is derived from willow bark. BHAs are particularly effective in treating blackheads as they can penetrate the oil that clogs the pores and exfoliate from within. They also have anti-inflammatory properties, making them beneficial for acne-prone skin.