From time to time, micro-blog, jomme, Xiao Hong and other big business platform's skin care and beauty bloggers have started to tell everyone's ingredients tiktok, which nicotinamide has become a major boss in skin care products. The following is the encyclopedia I collected for you. Let's take a look at the secret of nicotinamide!
I. what is nicotinamide?
Nicotinamide, also known as nicotinamide, is an amide compound of nicotinic acid. White crystalline powder; Odorless or almost odorless, bitter taste; Slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol. Clinically, it is mainly used to prevent and treat pellagra, stomatitis, glossitis, sick sinus syndrome, atrioventricular block and other problems.
Nicotinamide is a derivative of vitamin B3. It is also known as the skin anti aging factor in the field of cosmetology and dermatology so far. It can improve the skin's yellowing and skin aging.
II. What is the role of nicotinamide in skin care?
1. Whitening
Nicotinamide is absolutely the authority of "whitening circle". It can reduce melanin in human body, accelerate the metabolism of melanocytes, and interfere with the "communication" between melanin and keratinocytes, so as to effectively reduce the production of melanin. According to relevant clinical evidence, if you often use skin care and beauty products containing nicotinamide, you can see the changes in the color of facial spots with the naked eye. Nicotinamide can also effectively dilute skin problems such as chloasma and sunburn.
2. Nicotinamide is a natural skin barrier
Nicotinamide is also known as "natural skin barrier", which can effectively repair damaged skin cells. It is also known as a "artifact" to repair damaged cells. When nicotinamide is used externally, it can promote the synthesis of protein in the epidermal layer of the skin, greatly improve the skin's defense, and nicotinamide can also alleviate the irritation of some surfactants to the skin.
3. Effectively control oil and shrink pores
Many beauties are plagued by skin oil and large pores. Especially in summer, the oil on their faces is the most serious. As a result, many women believe that it is easy to sweat in hot summer. They do not need skin care products and use the wrong skin care concept of more oil. Most of the oil on the skin is caused by the imbalance between water and oil on the skin. The oil on the skin will take away the water on the face, and the face becomes drier, The more likely it is to cause oil. Nicotinamide can reduce the production of fatty acids and triglycerides in sebum and has a very good oil control effect.
4. Anti aging
When a woman reaches a certain age, her skin will become dark yellow, dull and lose moisture, and nicotinamide can effectively improve this skin condition. Nicotinamide is the "natural barrier" of the skin, which can help the skin repair the damaged stratum corneum and improve the skin's resistance. Generally, skin care products containing nicotinamide have a strong effect of deep water locking and moisturizing skin, which can effectively delay aging to a certain extent.
III. how to choose nicotinamide skin care products?
First of all, we should know that the higher the concentration of nicotinamide is, the better. When the concentration of nicotinamide is lower than 2%, the absorption increases linearly with the increase of nicotinamide; When the concentration of nicotinamide exceeds 2%, the absorption rate will not increase linearly.
Although the higher the concentration of nicotinamide, the better the effect, but at the same time, the irritation will be greatly increased, which will make the skin intolerable.
Therefore, when choosing nicotinamide products, we must start from low concentration, and then choose high concentration products after skin tolerance.