On the safety of sharing glycolic acid and retinol
In the way of skin maintenance, both glycolic acid and retinol are commonly used. However, there are many opinions on the safety of sharing the two, and it is urgent to investigate in detail.

Glycolic acid belongs to the class of fruit acids and has excellent exfoliation ability. It can loosen the connection between keratinocytes, promote the shedding of old keratin, make the skin surface look new, then make the skin smoother and more delicate, and can increase skin permeability, which is conducive to subsequent skin care product absorption. Retinol is a derivative of vitamin A, which is beneficial to skin metabolism and collagen production. It can reduce wrinkles, increase elasticity, and improve skin texture and color.

If the two are shared, caution should be taken. Glycolic acid thins the stratum corneum, the skin's defense is reduced, and retinol itself is also irritating. The combination of the two may cause skin discomfort, such as redness, tingling, dry peeling, etc. Therefore, those with sensitive skin should be especially vigilant. If you use it together rashly, you may be afraid that the skin will be overwhelmed and cause allergies and other diseases.

If you want to share the two, you can test the sensitivity first. Apply a small amount of the product behind the ear or on the inside of the arm, and observe it for a few hours to a day. If there is no abnormality, you can use it cautiously on the face. Initially, it is recommended to reduce the frequency of use, such as once a week, until the skin adapts, and then And strict sun protection is required for daytime use, because the two may increase the skin's sensitivity to ultraviolet rays.

In short, glycolic acid and retinol are shared, although they may have synergistic skin beauty effects, safety is of paramount importance. Users should use caution according to their own skin conditions to ensure skin health and benefit from skin beauty.