On the Compatibility of Glycolic Acid, Niacinamide and Salicylic Acid
The way of skin care, the compatibility of ingredients is related to efficacy and skin safety, and should not be careless. Now on the compatibility of glycolic acid, niacinamide and salicylic acid, it is really something that skin care people need to understand.

Glycolic acid, which belongs to the category of fruit acids, is active, can exfoliate, rejuvenate the skin, make it delicate and smooth, and can promote the production of collagen, which is quite beneficial for anti-aging and rejuvenation. Niacinamide has a wide range of effects, can block melanin transport, brighten the skin, and can shrink pores and strengthen the skin barrier. Salicylic acid is a fat-soluble acid, which enters the pores, removes oil, inhibits Propionibacterium acne, and has a good effect on acne muscles.

However, whether these three can be used together should be carefully investigated. Glycolic acid and nicotinamide are used in combination. If the pH value is improper, nicotinamide may be converted to niacin, causing skin discomfort, redness, tingling, etc. Therefore, when used together, make sure to adapt the pH value of the product, generally at pH 5-7, which can reduce adverse reactions.

As for salicylic acid and glycolic acid, both have the ability to exfoliate, and the effectiveness of the same use is enhanced. However, the burden on the skin is also increased. People with sensitive skin need to be cautious. If used together, it may cause excessive peeling of the skin, damage to the barrier, water loss, dryness, desquamation, itching and other diseases.

The compatibility of salicylic acid and nicotinamide is relatively peaceful. However, there are individual differences, and some people may feel uncomfortable.

If you want to use these three, the first skin type. For dry and sensitive skin, it is recommended to try it on a small scale first, and observe the skin's reaction. If there is no abnormality, then gradually increase the frequency and dose of use. Oily and acne skin has a slightly stronger tolerance, and combined use may obtain better oil control, anti-acne and skin rejuvenation effects.

Furthermore, the order of use is also exquisite. Salicylic acid is usually used first, as it can unclog pores and pave the way for subsequent ingredients. Then glycolic acid is used to exert its ability to exfoliate and rejuvenate the skin. Niacinamide is placed at the end to strengthen the skin barrier, brighten the skin and lock in water.

In short, the combination of glycolic acid, niacinamide and salicylic acid has advantages and disadvantages. If used properly, it can achieve twice the effect with half the effort; if used carelessly, the skin will be damaged. Skin care practitioners should choose carefully according to their own skin type to achieve the purpose of skin beauty and keep the skin healthy.