An Analysis of Whether Glycolic Acid Can Be Used After Niacinamide
Madam's Skin Care, I often encounter various doubts. The use of niacinamide and glycolic acid successively is one of them. Niacinamide is mild in nature and has the ability to whiten, control oil, and repair barriers; glycolic acid is a genus of fruit acid, which can rejuvenate the skin, exfoliate, and promote metabolism.

However, the use of the two successively requires careful consideration. Niacinamide is weakly alkaline, and glycolic acid is slightly acidic. If niacinamide is used first, then glycolic acid, when the time interval is controlled. Use it for a short time, or neutralize due to acid and base, reduce the effect of the two. After a few intervals, wait for the niacinamide to be fully absorbed and the skin to adapt, and then use glycolic acid, which may ensure the effect and avoid skin discomfort.

If the skin is sensitive, you need to be more cautious. Try it on a small area of skin first, and observe its reaction. If there is no redness, swelling, itching, etc., it can be gradually promoted. Cover the quality of the skin, your mileage may vary, and it must not be generalized.

The way of skin care is like walking on a boat in water. If you are too hasty, you will cover it, and if you slow it down properly, it will be smooth. The order of niacinamide and glycolic acid should be done cautiously according to the characteristics of the skin, so that you can achieve