On the pros and cons of using glycolic acid overnight
For those who use glycolic acid, in the way of skin care, people often ask: Can you stay overnight? This matter is related to the safety and effect of the skin, and cannot be ignored.

Glycolic acid, which belongs to fruit acids and the like, has unique properties. Its molecules are tiny, which can penetrate deep into the skin, help the exfoliation metabolism speed, and make the skin rejuvenated. It is often used to improve skin quality, such as making the skin smooth and uniform in color, and it is also effective for fine lines and dullness.

If you say to leave glycolic acid overnight, its advantages. First, overnight use can make glycolic acid interact with the skin for a long time, and the effect of exfoliation may be more significant. It can deeply clean pores, make the skin breathe smoothly, and promote the absorption of subsequent skin care products, doubling the effect. Second, night is when the skin repairs itself. Glycolic acid can take this opportunity to better help the skin renew, repair daytime damage, and optimize the skin's condition.

However, overnight use also has disadvantages. Glycolic acid is irritating. If the skin is sensitive, leave it overnight, or cause discomfort, such as redness, tingling, and itching. If the skin has poor tolerance, it is more likely to cause allergic reactions, which will damage the skin's health. And excessive use of glycolic acid overnight, or the stratum corneum is too thin, the skin barrier is damaged, causing the skin to be vulnerable to external stimuli, the moisturizing power is reduced, and the appearance of dryness and desquamation appears.

Therefore, if you want to keep glycolic acid overnight, you should know your skin condition first. Those with strong skin tolerance can try it on a small scale first, observe its reaction, and then gradually expand the range if there is no discomfort. For sensitive skin, you should be cautious, or consult a professional to determine a feasible method. In short, using glycolic acid overnight requires weighing the pros and cons to ensure safe and beautiful skin.