1. The people who often use the hair dryer will down to below 10% of water in the hair, hair becomes rough, bifurcation,  It is better to let hair dry naturally. As for people who often go to beauty salons, they can ask hairdressers to take a little away from hair driers and don't stick to scalp, and time should not be too long.

2, Repeatedly combing more than 50 times every day to comb hair can help clean up the dirt attached to the hair and can stimulate the scalp, promote the blood circulation of the scalp. But too much combing will hurt hair. It is enough to recommend about 30 times every day.