A coenzyme constitute carboxylase, maintain hair, skinand nails healthy, involved in fatty acid, the genetic material (DNA) andadenosine triphosphate (ATP, the direct source of the body's energy, need to beconstantly synthesis) anabolism and catabolism of amino acids. Biotin is animportant nutrient fortifier, Britainthought that biotin reference nutrient intake per person per day is 10 ~~ 20¼g, United Statesrecommended adult intake 30 ~ 100¼ g per person per day.
Biotin is also a biologicalcatalyst which essential for animal growth and development process and gainweight, the quality of meat, fur and so on are influential. The dosage of biotinin Chinese market is small, and only used in the medicine, and other feedadditives in very small quantities.Biotin is an important and indispensablesubstance in the fats and amino acids metabolism, in preventing gray hair, hairloss prevention and treatment, ease muscle pain, relieve eczema, dermatitissymptoms have an important role.
Biotin is synthesized by intestinal flora. Hair straightening is human hair wigs styling technique used since the 1890's which involves the flattening and straightening of hair in order to give it a smooth, streamlined, and 'sleek' appearance. It was made by Garret A. Morgan, to help African American manage their hair. It became very popular among blacks male and female and females of all races, during the 1950's, because black people wanted to have the very popular and stylish "greaser"look, either that or wearing Afros.
It accomplished using a hair iron or hot comb, chemical relaxers, Japanese hair straightening, or Brazilian hair straightening. In addition, some shampoos, conditioners, and hair gels can help to make hair temporarily straight. The process is often called "rebonding" in Southeast Asia. If done often, flat irons and chemicals can be damaging to hair. Excessive straightening often results in split ends. However, heat protectant sprays can decrease the damage.There are two Methods and Permanent.