El lactic acid is one of organic compounds that are used in the manufacture of cosmetic products, mainly as gentle exfoliants for skin care, as well as for hair care products.
Lactic acid was first isolated in 1780 by a Swedish scientist, Carl Wilhelm Scheele, who originally found it in the sour milk, hence the term "lactic"And a century later, French researchers discovered that lactic acid was also produced by fermentation, a discovery that allowed its commercial production.
It is widely used in a number of industrial processes, as well as the food production, representing an ingredient in the production of biodegradable plastics, detergents and household cleaners.
All the Pharmaceutical companies use lactic acid to adjust the pH of drugs and personal care products and hair care.
When the hair dries out and breaks, it is lactic acid and other mild acids that restore its softness, making it more docile and healthy, since it also recovers the strength and elasticity of the hair by altering the ionic charge of the molecules.
The ability of lactic acid to release keratin coating on hair, is used to develop a series of products intended for the depilation, to remove unwanted hair, by weakening.
The hair is weakened by the action of the acid and can be rinsed in the shower, but the unwanted hair loss sometimes occurs in people experiencing medical conditions that cause excessive sweating Since sweat naturally contains lactic acid and this in excessive amounts can cause hair loss.
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