What should not be mixed with niacinamide? These two must not be mixed

Niacinamide is one of the must-have skin care products for almost every girl who wants to whiten her skin. There are more and more skin care products containing niacinamide on the market, from essences and facial creams to body lotions. So do you know what niacinamide should not be mixed with? Let’s take a look below.

What should not be mixed with niacinamide?

Niacinamide cannot be mixed with acidic substances. If used together, it will cause the pH value of the skin to change. Niacinamide will release a large amount of niacin, causing irritation to the skin. If you really need to use it, it is recommended to use acid at night and niacinamide during the day, or you can use niacinamide 30 minutes after using salicylic acid or fruit acid.

What can niacinamide be used with?

Niacinamide + A-alcohol

The most significant effect of niacinamide is whitening, while retinol has anti-inflammatory effects, regulates the growth and differentiation of epidermal cells, promotes collagen production, improves the function of sebaceous glands, reverses photoaging, inhibits melanin production, promotes thickening of the dermis, etc. In other words, it has effects on acne, whitening, anti-aging, and refining pores. Using niacinamide and retinol together can achieve better beauty results.

Contraindications of using niacinamide

1. Try to avoid using it with other cosmetics at the same time, and try to use those of the same brand, because R&D personnel of the same brand and series will notice this. Also do not use with cosmetics containing salicylic acid preparations;

2. People with red blood streaks on their faces should avoid using it to avoid irritation;

3. Pregnant women should not use it.

Can niacinamide be used together with VC?

Vitamin C is a very beneficial skin care ingredient and is recommended for whitening and anti-aging. The combined effect of niacinamide and VC is better, but vitamin C and retinol/niacinamide should not be used consecutively. The optimal pH of VC (3.5 or lower) and the optimal pH of retinol (around 5.5~6.5) and the optimal pH of niacinamide (around 6) are not the same, so it is not recommended to use them at the same time because it will affect the whitening effect.