On the mixed use of AHA, BHA and glycolic acid
for skin maintenance, the use of acid ingredients is becoming more and more widespread. AHA, BHA and glycolic acid are all common acids in skin care, but many people have doubts about whether it is appropriate to mix them.

AHA, that is, α-hydroxy acid, can loosen the adhesion between keratinocytes, accelerate the renewal of the skin surface, often brighten skin tone and improve roughness. BHA, which is a beta-hydroxy acid, is fat-soluble, can penetrate deep into pores, clean oil, and is good for oil control and anti-acne. Glycolic acid is one of AHA, with small molecules and strong penetration, which can take effect quickly.

If you want to mix AHA, BHA and glycolic acid, you need to be cautious. First, all three are irritating to a certain extent. Skin tolerance is different, mixing or irritating superposition. Sensitive skin, especially cautious. If the skin is already fragile, mix it rashly, or cause redness, tingling, and peeling. Second, in terms of efficacy, although all three act on the stratum corneum, the emphasis is different. The main surface of AHA is rejuvenated, BHA cleans the pores, and glycolic acid has strong penetrability. If mixed properly, it may complement and enhance the effect; otherwise, it may be disordered and damage the skin.

The method of mixing, the first skin test. Take a small amount of the product behind the ear or on the inside of the arm and observe it for 24 to 48 hours. If there is no discomfort, you can try it on the face. Initially, the frequency of use should be low, such as 1-2 times a week, and then gradually increase according to the skin's adaptation. And the concentration of mixing should also be paid attention to. Mixing high-concentration acids can increase the risk sharply, so it is appropriate to start with a low concentration.

In short, mix AHA, BHA and glycolic acid, if you use subtle techniques. Carefully observe the characteristics of the skin and abide by the method of use, in order to avoid harm and benefit, and obtain the benefits of skin care.