Better way to protect the hair

the pH value is the indication of the pH mark, which means how much acid and alkaline is in the aqueous solution, the number is from 0 to 14 at 25 ℃, 7 is neutral, 7 is above the number, The numbers below are acidic, the pH of the hair is between 4.5 and 5.5 is the best health.

The hair is made up of keratinized epithelial cells. Located in the skin outside the part of the hair that is located in the skin within the part of the hair root, hair root end of the expansion of the part called the hair ball, the bottom of the ball into the concave part of the hair papilla, including connective tissue, nerve endings and capillaries, nutrition. The lower part of the hair ball near the nipple called hair matrix, hair and hair follicle growth area, the equivalent of the epidermis of the spine and base layer, and melanocytes. To hair, for example, the hair by the concentric arrangement of cells (Figure) can be divided into three layers.simply straight store  is the brush that straightens hair! ssimply straight wholesale  is  cheap and fast and easy to use, simply brush through dry hair to smooth and straighten. It is gentle, safe and perfect for all hair types. Heats up to a maximum of 450 degrees F.

hydrogen bond: the case of high temperature restructuring, water disconnected. salt: (water and broken, the use of hot air re-combination, to keep the next flush, the physical perm is the two keys.Disulfide bond: is particularly hard to bond, can be broken after reorganization, in the control of perm.