Toothpaste for hair and nails works better than fluoride, — study
British researchers from King’s College London have found, that keratin, which is found in animal nails, hair and wool, is better restores tooth enamel and prevents tooth decay than traditional fluoride-based toothpastes.
Goodbye, «keratin». Some hair straightening products will be banned in the US, but the rest are not too safe
The U.S. Food and Drug Administration (FDA) is expected to ban the use of formaldehyde in currently popular hair straightening products at the end of April, but experts say that this is not enough «not enough».
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