Ahead, a dermatologist and hair pro share whether or not these treatments are legit, its benefits, risks, and how to do a hot ...

The treatment can be done at a salon ... Vaughn recommends weekly treatments for coarse, curly/coily hair and bi-monthly treatments for medium to fine hair. But for best results, she suggests ...

This is because coily hair retains less moisture due ... to consider potential side effects before using this treatment. If your hair type is straight or wavy, it may appear oily or greasy quickly.

(There's also a permanent method, a keratin treatment, that lies somewhere ... between new growth and relaxed hair is fragile (especially for coily hair), so breakage is possible.