Sounds great does not it, and there is no disagreement about whether the process actually works, and the results are obvious. However, it is used in the formaldehyde solution, which caused some concern as he
knew the substance pose serious health risks. One of the main concerns is that some of the treatments used in the Brazilian keratin, hair salons, which are sold in high street to the members of the public not approved by the U.S. Food and Drug Administration (FDA) and was not organized by any other body. This is a serious matter seriously because it means he did not prove the existence of a safe level of what goes in to the solutions which they can test products.
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