Ultraviolet rays affect the hair fiber in three ways
Ultraviolet rays affect the hair fiber in three ways. In the surface layer oxidized lipid (fat) that protects the hair, which becomes dry, rough and dull. Without external protection, UV attack then the intercellular cement that is among the scales capillaries, weakening the hair and making it porous. When the ultraviolet get into the hair cortex (the inner middle layer), oxidized keratin (hair protein), getting hair breakage, split ends or discolor.
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Water is his other great enemy, as the attacks multiply wet hair from the sun, dehydration promotes the degradation of melanin and discoloration, and alters the keratin causing the hair is fragile and brittle. Sea salt also promotes dehydration and, along with the sand, causing irritation to the scalp. The chlorine in pools and depigmented hair dyes fade, leading to result in greenish blond and pink dyed in mahogany.
All this happens because the hair, unlike skin, is an inert material and does not own defenses to all these agents and also lacks regenerative properties, so that once damage has been caused is very difficult to reverse the process. That is why the best way to maintain healthy hair in summer is prevention and the use of treatments that protect specific solar before, during and after exposure.
It should wash your hair after swimming in the sea or the pool with a post-sun shampoo to remove all traces of salt, chlorine, sand and apply a suitable conditioner to hair type and your specific needs. As time of frequent washing, do not need shampooing your hair twice or rubbing vigorously to prevent excessive loss of fat. However, it should be rinsed with water to remove any traces of cosmetics, salt or sand.