On the feasibility of glycolic acid for hair

There are many ways to take care of hair in the world. Recently, glycolic acid has been very popular for skin care, but whether it can be used for hair is controversial.

The alcohol glycolic acid belongs to the class of fruit acids and is active. On the skin, it can exfoliate, promote metabolism, and rejuvenate the skin. However, hair is different from skin in quality. The main ingredient of hair is keratin, which is tough and has a specific structure.

It is said that glycolic acid can be used for hair, saying that it can moderately adjust the acid-base environment of the scalp. The acid-base balance of the scalp is related to the health of hair follicles and hair growth. A moderately acidic environment can prevent the growth of harmful bacteria, and the slight exfoliation of glycolic acid may remove the old waste exfoliation accumulated on the scalp, making the hair follicles unobstructed and conducive to hair growth.

However, there are also objections. Glycolic acid is strong. If the concentration is improper, it will be applied to the hair, which may damage the stratum corneum of the hair. If the stratum corneum of the hair is damaged, the water will be easily lost, causing the hair to be dry and rough, and it will lose its softness and shine. And the scalp skin is delicate, and glycolic acid or irritation will cause scalp discomfort, such as itching, redness and swelling.

If you want to use glycolic acid on the hair, be careful. Take a little bit on a small area of hair and scalp first and test it to see if there If used, the concentration must be controlled and do not use it frequently. Consult a professional, and determine the appropriate usage and dosage according to the characteristics of the hair and the condition of the scalp, so as to hope the effect of hair care and avoid the risk of damage.