A, and for hair warm cold: head was called "all Yang of meeting" medical research found, still State not hat of people, environment temperatures for 15 ℃ Shi, from head lost of heat accounted for human total heat of 30%, 4 ℃ Shi bulk total heat of 60% if head cold, on will caused brain vascular contraction, light is will was dizziness, and headache, or caused scalp nutrition cycle obstacles and hair follicles metabolism function disorder, to led to hair of nutrition imbalance or large of hair non-natural off. Patronage of the grave may also induce some diseases. This shows that the cold winter, the head and other parts of the body also need warm winter.

Second, for hair, dust pollution prevention: winter sand, dusty, especially in this era of the pollution is getting worse, when hair was blown messy invisible at the same time, stick in the head hair of microbes and dust like gravel on sandpaper, raging in the scalp, while daily combing and operations, increase the friction between the comb and the hair and the hair. Those invisible microorganisms may cause your scalp to breed bacteria, even cause hair follicle infection

Third, the sun radiation for hair: lots of beautiful ladies will take fully equipped sun protection in summer, especially one by the colorful umbrellas, both Sun and sultry, but has often ignored the power of the Sun in winter, always chasing the Sun as he walked away.