On the safety of arbutin and glycolic acid in combination.
In the world of skin care, it is often studied whether the combination of various ingredients is appropriate. Arbutin and glycolic acid are both commonly used in skin care, but the safety of their combination varies, so it is analyzed in detail.

Arbutin has a whitening effect. It can inhibit the activity of tyrosinase, block melanin production, and make the skin fair. Glycolic acid is a type of fruit acid, which can exfoliate, promote skin metabolism, make the skin tender and smooth, and help other ingredients absorb.

However, the combination of the two should be careful. Glycolic acid can increase the permeability of skin. If used with arbutin, it may cause arbutin to absorb too much. Although arbutin whitens, it is absorbed too much, or it may cause skin discomfort, such as redness, swelling, and itching. And glycolic acid is irritating to a certain extent. If the skin is sensitive, it may not be resistant to use alone. It is combined with arbutin, irritating or even more.

If you want to use it together, you should first have a skin test. Take a small amount of the product containing both, apply it behind the ear or on the inside of the forearm. After a few days, if there is no abnormality, you can use it on the face in a small area. When using it for the first time, it is advisable to reduce the frequency and observe the skin's reaction. If the skin adapts well

When used in combination, sun protection is also necessary. Glycolic acid makes the skin thinner, has weak protection against ultraviolet rays, and arbutin may also increase skin photosensitivity. Therefore, when using these two during the day, sunscreen must be applied, and protection such as holding an umbrella and wearing a hat is also essential.

In short, arbutin is used in combination with glycolic acid. If used properly, it can achieve whitening and skin rejuvenation effects. Those who use it need to carefully observe the skin's reaction to ensure safety, so as to achieve the purpose of skin care without damaging the skin.