Damaged hair
This type of hair has been permed and dyed. Like the above-mentioned dry hair, avoid using deep cleansing and weakly alkaline shampoos; it is best to choose restorative and weakly acidic shampoos. For the same reason, it is best to use a shampoo with a little silicone oil, because it can repair the hair cuticles.
Hair loss
Friends who are troubled by hair loss should carefully choose shampoos containing silicone oil or nutritional shampoos. They should choose neutral silicone-free shampoos, which will cause less irritation to the scalp.
