Keratin hair treatments are extremely popular, but may get banned by the FDA—here's why, from a Harvard dermatologist
When it comes to styling and straightening hair, keratin treatments are a staple but that may change as soon as April of this year. Here's why.
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What Is a Keratin Treatment? A Complete Breakdown of How it Transforms Hair
There are tons of hair treatments ... types of keratin treatments—those with formaldehyde and those without it. Treatments with formaldehyde are much more effective, and the effects last ...