Formaldehyde which is often a component of some products for keratin hair treatment is capable of causing malignancy

What has become well recognized at this time is the method of straightening the hair which is called keratin hair treatment. Keratin hair treatment is considered to be the most recent trend most especially when people talk about hair straightening. Hair salons with the finest quality usually provide keratin hair treatment to their customers. Keratin hair treatment will take about two hours to finish just for the shoulder length hair. The straightening process for frizzy or curly hair is best

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