On the Suitability of Combining Glycolic Acid and Retinol
Now a skeptic asks: "Can ordinary glycolic acid and retinol be combined?" This is an important question related to skin care and cannot be studied carefully.

Glycolic acid belongs to the class of fruit acids and is active. It can loosen the connection between keratinocytes, make the old stratum corneum fall off, rejuvenate the surface of the skin, and make the skin smooth and tender. And it can promote the synthesis of collagen in the dermis, reduce wrinkles, and increase skin elasticity.

Retinol is also a good skin care product. It can adjust the growth and differentiation of skin cells, improve skin texture, increase skin luster, also reduce pigmentation, and help the skin's metabolism to be orderly.

However, the combination of the two is beneficial and dangerous. The benefits, the synergistic power may strengthen the effect of skin care. Glycolic acid exfoliates the keratin and paves the way for the absorption of retinol. The two are applied together to improve the texture of the skin, the effect of anti-wrinkle and light spots or more.

Dangerous, both are irritating. Glycolic acid thins the stratum corneum and reduces the skin's defense; when retinol is used for the first time, the skin may also have intolerance, such as redness, tingling, desquamation, etc. If the two are used together, the irritation will be superimposed, the skin will be overwhelmed, causing allergies, inflammation and other diseases, which will damage the health of the skin.

Therefore, if you want to use ordinary glycolic acid and retinol together, you should be cautious. Those with strong skin tolerance can try it on a small scale first to observe the skin reaction. If there is no abnormality, then gradually expand the use area. And the initial frequency of use should be low, and then adjust it after the skin adapts.

If the skin is sensitive and fragile, or has been allergic to fruit acid and retinol, you should especially avoid it. You can use one alone first, wait for the skin to adapt, and then try and use it as appropriate.

In short, skin care should be done according to your skin type, weigh the pros and cons, and act prudently to achieve the purpose of protecting and beautifying your skin.