On the compatibility of glycolic acid and kojic acid
The beauty of the skin is admired by everyone. In the way of skin care, glycolic acid and kojic acid are quite eye-catching. However, whether the two can be mixed and used is doubtful.

Glycolic acid belongs to α-hydroxy acids. Its molecules are tiny, can quickly penetrate the stratum corneum of the skin, promote the shedding of keratinocytes, accelerate metabolism, make the skin rejuvenated, and can increase skin hydration, light fine lines, and brighten the complexion.

Kojic acid is derived from microbial fermentation, can block tyrosinase activity, reduce melanin production, and has the effect of whitening and freckle removal. It also has antibacterial and anti-inflammatory properties.

As for whether the two can be mixed, it should be carefully investigated. From a chemical perspective, glycolic acid is acidic, and kojic acid also has acidic characteristics. Mixing the two may cause acidity to rise sharply. The skin has its own acid-base balance. If the environment is too acidic, it may damage the skin barrier, causing redness, tingling, itching and other discomforts, especially sensitive skin, which is more susceptible to trauma.

However, under certain circumstances, the compatibility of the two is not absolutely feasible. If the blending ratio is exquisite and the skin has adapted to low-concentration acid products, it may be possible to try it cautiously. For example, under the guidance of a professional, mix it at a very low concentration first, and there are no adverse reactions after a skin test, it can be used in a small range. In addition, during the use process, it is necessary to closely observe the skin's reaction. Once there is any abnormality, stop using it.

In summary, the use of glycolic acid and kojic acid in combination needs to be done with caution. Skin care matters are related to skin health, so you must not act rashly. You should weigh the pros and cons according to your own skin characteristics to achieve the best of skin care.