On the Combination of Niacinamide and Glycolic Acid
Niacinamide and Glycolic Acid, both of which are wonderful skin care products. If you want to use them together, you need to understand their reasons and follow their methods in order to obtain their benefits and avoid their harm.

Niacinamide has multiple skin beauty effects. It can solidify the skin barrier, make the skin tough, and resist external disturbances; it can inhibit melanin transport, even out the skin tone, and make the skin fair; and it can help normal keratin metabolism, making the skin delicate and smooth. Glycolic acid is a type of fruit acid, with tiny molecules, which can quickly penetrate the surface of the skin. It can dissolve the connection between the cuticles, promote keratin renewal, and rejuvenate the skin; it can increase skin hydration and make the skin full

However, if you use both, you need to be cautious. Glycolic acid is highly acidic and can cause the pH value of the skin to drop. Niacinamide can be turned into niacin in a low pH environment or turned into niacin, which irritates the skin. Therefore, when you try it first, you should test for sensitivity first. Take a small amount of products containing niacinamide and glycolic acid, apply it behind the ear or on the inside of the forearm. After a few days, if there is no abnormality, you can use it on the face.

The order of use is also exquisite. After cleansing, use a mild toner as a base to balance the pH value of the skin. Then take an appropriate amount of niacinamide products, apply it lightly to the face, and wait for it to absorb. Then use glycolic acid products, and the If the skin is sensitive, glycolic acid can be used first, at intervals, and then nicotinamide.

Frequency control is crucial. Initially, use it once or twice a week. Check the skin's tolerance, and then gradually increase the number of times. If the skin adapts well, it can be increased to three to four times a week. But it must not be excessive, so as not to damage the skin, causing redness, swelling and tingling.

When using both, sun protection is essential. Glycolic acid makes the skin more vulnerable to ultraviolet damage. When going out, you must wear sunscreen, hold a parasol, and avoid direct sun exposure.

In short, the combination of nicotinamide and glycolic acid, if followed by reason, will help the skin achieve a better state and radiate a charming radiance.