The difference between glycolic acid and BHA
Glycolic acid (Glycolic Acid) and BHA, in the field of skin care, have different functions and characteristics, try to analyze them.

Glycolic acid belongs to α-hydroxy acid (AHA) and the like, with small molecules and strong hydrophilicity. It can reach the deep layers of the skin, dissolve the adhesion between the cuticles, make the old waste cuticles fall off, rejuvenate the skin surface, make the skin smooth and delicate, and brighten the color. And can promote the synthesis of collagen in the dermis, reduce fine lines, and increase skin elasticity. However, it is highly acidic. If the concentration is too high or used improperly, it is easy to cause skin redness, tingling, and desquamation. Sensitive skin should be used with caution.

As for BHA, a derivative of salicylic acid (Salicylic Acid), it has lipophilic properties. It can penetrate deep into hair follicles, dissolve oil, remove corneal suppositories that clog pores, and treat acne and acne well. It can regulate sebum secretion and make oily skin refreshing. It is also effective in anti-inflammatory and can slow down the inflammatory response of the skin. Due to its lipophilic properties, it is slightly less irritating to the skin than glycolic acid, but long-term or high-concentration use may still cause dry and peeling skin.

Generally speaking, glycolic acid focuses on rejuvenating and brightening the skin, anti-aging, and is suitable for periodic care of neutral and dry skin; BHA is good at oil control, anti-acne and anti-inflammatory, and is suitable for daily maintenance of oily Although both are good skin care agents, users must choose them carefully and use them reasonably according to their own skin type, in order to obtain their benefits and avoid their harm, and achieve the ideal skin care effect.