Sebaceous glands secretion fat ability carries on normally depends on takes in the Vitamin c sufficiency, simultaneously Vitamin c may activate the capillaries wall, enables the roots of the hair to absorb in blood's nutrition smoothly. What is a hair? What is a hair? The  ghd nz hair is lifeless, hair's principal constituent does not have the life flinty protein flinty protein, calls it the cutin cutin. The cutin approximately composes the hair gross weight flinty protein cutin quantity 85%--90%. Hair's other constituent includes: Water, lipide, pigment and trace element. Second, hair's structure hair's structure hair-follicle: Has the fission, reproduction ability, enables the hair to grow unceasingly the replacement, if the hair-follicle fractional damages, after the hair falls off, cannot grow again.

 The sebaceous glands located at the hair-follicle nearby, open the mouth in the hair-follicle, the secretion sebum, has moistens functions and   ghd new zealand so on skin, hair and protection moisture. Looking from the section plane structure, the hair may also divide into three parts from outside to: Wool medullary substance: May enhance hair's intensity and the rigidity, it shoulders the duty protects the forehead, prevents the sunlight direct radiation. The wool hard hair includes the medullary substance are also many, the fine hair and newborn's hair often does not have the medullary substance. Wool cerebral cortex: Has decided the hair thick thin and the color. Infant epidermis: May protect the hair not the external environment influence, maintains the hair pitch-black, bright Ze and pliable but hard to break. Wool epidermis: Some related hair's data hair's growth speed approximately for this 1 cm/month; The   ghd straighteners normal date loses hair the quantity is 50---100; The hair is lubricates by the fat secretion fat; The hair grows quickly in the summer, the winter grows slowly; A hair's life to avoid for 2-6 years, afterward falls off by sends the pouch to grow.

 The healthy hair suffers injury the head is scared the cuticula lamella mild-mannered head to be scared the common hair three, hair's types which and the nursing method hair's type and the nursing method the cuticula lamella haunches up in view of sends the natural `classification,  ghd hair to send the nature through naked eye's observation to be possible to guess the customer sends the nature, but also is very sometimes difficult to prepare to judge, may through the inquiry way. 1 hair knowledge Hair the knowledge grass peaceful hall Group International Hong Kong Limited company question is as follows: