On the superposition of glycolic acid and salicylic acid,
the way of skin care is quite popular today. Glycolic acid and salicylic acid are both ingredients used in skin care, but when used in combination, there are also many details.

Glycolic acid belongs to the class of fruit acids, with small molecules, which can quickly penetrate the stratum corneum of the skin. Its function can loosen the connection between keratinocytes, make old waste keratin shed, make the skin surface smooth and delicate, and can promote skin metabolism, increase collagen production, help reduce wrinkles and brighten skin tone.

Salicylic acid is a fat-soluble ingredient that can penetrate deep into pores. It can clean up the accumulation of oil and dirt in the pores, inhibit the growth of Propionibacterium acne, and has a good conditioning effect on skin problems such as acne and acne. It can also improve skin inflammation and stabilize the skin.

If you want to use glycolic acid and salicylic acid in combination, you should be cautious. First skin tolerance. If the skin is usually sensitive and fragile, it may cause discomfort, such as redness, tingling, itching, etc. Therefore, when using it for the first time, it is advisable to try it separately with low-concentration products to observe the skin's reaction. If you try glycolic acid products, you can first once a week, and then gradually increase to the appropriate frequency; the same is true for salicylic acid. After the skin adapts, consider stacking.

The stacking order is also critical. Generally speaking, glycolic acid products can be used first. Because of their small molecules, they can first act on the outer layer of the skin to exfoliate and other effects. After the skin absorbs it slightly, about fifteen to twenty minutes apart, then use salicylic acid products, so that salicylic acid can better penetrate into the pores and exert its cleansing and anti-inflammatory properties.

When using it in combination, pay attention to the frequency of use. Do not use it too frequently, so as not to over-irritate the skin. Usually use it in combination once or twice a week. And during use, strengthen skin moisturization and sun protection. Because both will thin the stratum corneum of the skin, the skin is more prone to dehydration and UV damage. You can choose gentle and moisturizing skin care products. When you go out, take measures such as physical sun protection and applying sunscreen.

In short, when glycolic acid and salicylic acid are used in combination, if used properly, you can get better skin care effect; if you are not careful, it will be vulnerable to skin damage. Be sure to try carefully according to your own skin condition to achieve the purpose of skin care.