The most popular whitening ingredient on the market today is phenethyl resorcinol powder, also known as Symwite 377.
Nowadays, due to the continuous development of the information age, modern women are paying more and more attention to beauty, so many whitening products have also entered people's field of vision one after another, and the most common ingredient in skin care products on the market is phenethyl The substance resorcinol.
It is a resorcinol derivative and is currently one of the most widely used and effective raw materials for several products. It is different from hydroquinone (hydroquinone) and rhododendrons. Hydroquinone cannot be used in cosmetics in China, while rhododendron can cause vitiligo on the skin. Therefore, compared with these two ingredients, phenethyl isophthalic Phenol is safer and more stable.
So what is the function of phenethyl resorcinol? Let's take a look at it next.
Symwhite has a good effect on improving skin tone, such as the well-known ingredients with bisphenol structure such as hydroquinone and resveratrol, which can competitively inhibit tyrosinase, so it can gradually Improve skin tone.
![]() |
Phenylethyl resorcinol has a bisphenol structure and is a potent antioxidant that has an excellent antioxidant effect on the skin. But the premise is that the product needs to be used together with other antioxidants and color protectants in the formula; otherwise, it will be easy to change color.
This product is very hypoallergenic and safe. Its biggest problem is that it produces an intense tingling sensation when applied. Therefore, if it is used in cosmetics, it will cause a tingling sensation in a short period of time for people with poor skin barriers, but it will not cause allergic reactions as long as it is purely irritating.
So are cosmetics containing phenethyl resorcinol harmful to the body?
Phenethylresorcinol generally does not cause harm to the body. It is an organic compound, which is often used in product formulations such as whitening, anti-aging, and depigmentation. It has good stability and safety, but the concentration must not be too high when added to prevent skin damage harm.
Symwhite 377 is a very commonly used cosmetic raw material. It can play a role in freckle removal and whitening in cosmetics. It can effectively improve uneven skin tone, and reduce skin pigmentation and other phenomena. At the same time, its antioxidant capacity is also powerful. Good to reduce the damage of oxygen free radicals to the skin.
![]() |
Due to the high stability and safety of this product, it will not cause irritation to sensitive skin as long as a reasonable amount is added to cosmetics. However, if too many ingredients are added, it will cause damage to the stratum corneum of the skin, which may cause symptoms such as burning, itching, and rash. In addition, it will lead to hyperpigmentation and thinning of the skin.
If you want to whiten and freckle, in addition to using skin care products, you should also do an excellent job of daily sun protection to reduce the damage of ultraviolet rays to the skin. In addition, eating more fruits can also have a whitening effect, such as lemons, kiwis, oranges, and other fruits are rich in vitamins, so that they can play an auxiliary antioxidant role.
![]() |
So how do you dissolve Symwhite powder to reduce irritation?
The first one is to use polar oil to dissolve. The penetration effect of the product dissolved by this method is excellent, which can make phenethyl resorcinol penetrate the skin very well, so that the impact of the product can be achieved maximum effect. However, the product will produce a certain irritating feeling when using it, so to relieve the tingling feeling when using it, the cosmetics containing this kind of product are usually made into a thick oil cream.
The second can be dissolved with glycols. The advantage of this dissolution method is that it can reduce the tingling sensation when using it. Still, the disadvantage is that it will also reduce the permeability of Symwhite, and it will be easily precipitated on the skin surface. As a result, the final use effect will be poor.
Therefore, the cosmetic products containing phenethyl resorcinol powder currently on the market are all thick emulsification systems. If you do not want such viscous products, alcohol-soluble methods will be used to dissolve the product. Therefore, if the amount of the product added in cosmetics reaches 0.5%, it may cause a tingling feeling in a short time, but if only 0.1%~0.3% is added, it will not produce a strong tingling feeling.
How to contact us?
![]() |
Our company is a professional plant supplier with many years of operational experience in the plant extraction industry. Our company sells the hot-selling phenethyl resorcinol powder directly from the manufacturer, which can guarantee the quality. In addition, our company also sells a series of products such as fruit and vegetable powder, cosmetics, tablet candy, and so on. If you have needs, you can contact us through the international website or email. Our email address is ella.zhang@huilinbio-tech.com. Our account manager will reply to you as soon as you see the news, and finally, we look forward to cooperating with you!









