On the effect of glycolic acid and salicylic acid
The effect of glycolic acid and salicylic acid on the skin is quite wonderful. Glycolic acid belongs to alpha-hydroxy acids, and its molecules are small, which can easily penetrate into the stratum corneum of the skin.

Its primary function is to promote the metabolism of the stratum corneum. In the stratum corneum of the skin, if there is too much accumulation of old keratin, the complexion will be dull and the skin will be rough. Glycolic acid can loosen the connection between the keratinocytes, causing the old keratin to fall off naturally, as if opening a new door for the skin. This process is like a spring breeze blowing, taking away dead branches and leaves, making the skin radiant again, the skin tone will gradually brighten, and the skin will become more delicate.

Furthermore, glycolic acid can stimulate the synthesis of collagen in the dermis. Collagen, the support structure of the skin, if its content is sufficient, the skin is firm and elastic. Glycolic acid is like a hard-working craftsman, helping the dermis to produce more collagen, so that the skin's fine lines, sagging and other problems can be improved.

As for salicylic acid, it is a beta-hydroxy acid with lipophilic properties. This quality allows it to penetrate deep into the pores, like a warrior who penetrates into the enemy camp. It can effectively remove the accumulation of oil, dirt and keratin in the pores, prevent pore clogging, and significantly reduce the formation of acne and acne.

At the same time, salicylic acid also has anti-inflammatory effects. When the skin is red and uncomfortable due to inflammation, salicylic acid is like a good medicine, relieving inflammation, reducing redness and pain of the skin, and calming the skin.

In short, glycolic acid and salicylic acid, one is known for rejuvenating the keratin and stimulating collagen, and the other is known for cleaning pores and anti-inflammatory soothing. Both have unique properties for skin care. If used properly, they can bring many benefits to the skin.