What is the effect of concentration on the efficacy of nicotinamide?

Nicotinamide is a water-soluble substance with good photostability and solution stability. Nicotinamide in the field of skin care can play a variety of effects, such as whitening, moisturizing, anti-aging, and so on.

Nicotinamide whitens the skin by blocking the transport of melanin to the cuticle and speeding up the metabolism of melanin. Different concentrations of nicotinamide have different effects, 1.2% to 5% have a whitening effect, 2.2% have a moisturizing effect, 3.2% have an oil control effect, 4.4% have an acne effect, and 5% have an anti-aging effect.

For the first-time use of nicotinamide products, it is recommended to test the skin tolerance of the product, can be applied to the inside of the wrist or after the ear, if there is redness, tingling, long acne is more serious, than the skin is very intolerant, need to stop immediately, if the allergy is not serious, you can start to use from a low concentration, or the next day to apply, Strengthen skin tolerance, if there is no abnormality, then it can be used normally.

Nicotinamide skin care products can be mixed into lotions, serums, or creams to reduce the concentration of nicotinamide. Start with a low concentration, try 1%-2%, add 1% for a week, add 1% after two weeks, then 3 weeks… And so on.

When choosing nicotinamide skin care products, we must pay attention to the indicators of niacin, which is a general allergen that causes us to use nicotinamide. Nicotinic acid is an impurity in nicotinamide, and its content is subject to the nutrition of nicotinamide purity. Therefore, it is recommended to pay attention to the added purity of nicotinamide products.

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