On the relationship between glycolic acid and brown skin
The color of the husband's skin is related to a variety of reasons. The cause of brown skin is complex, and the role of glycolic acid in it is worth exploring.

Glycolic acid belongs to the class of fruit acids, whose molecules are small and have good penetration. It is often used in the field of skin care. Its connection with brown skin is reflected in several ends.

First, glycolic acid can promote the renewal of the stratum corneum. Brown skin often has a dull complexion due to the accumulation of the stratum corneum. Glycolic acid can loosen the connections between keratinocytes, making old keratin more likely to fall off, and new cells can be displayed, which can restore the skin's luster or reduce the appearance of brown skin.

Second, glycolic acid may affect the metabolism of melanin. Melanin is a key factor in causing skin browning. Glycolic acid may interfere with the process of melanin production, prevent its formation, or promote its decomposition and excretion, and then achieve the effect of reducing light brown.

However, when using glycolic acid on brown skin, caution is also required. Because it is irritating, if used improperly, it may cause skin discomfort, such as redness, tingling, etc. For brown skin, the skin type may be more sensitive, so before use, try it on a small scale, and choose the appropriate concentration and frequency of use according to your own skin tolerance.

In short, glycolic acid has potential benefits in improving brown skin. However, rational and scientific application can achieve the ideal skin care purpose and help brown-skinned people find a better skin condition.