The big chemical to avoid is a carcinogen called formaldehyde, “a colorless, strong-smelling gas that presents a health hazard when breathed into the lungs, gets into the eyes, or touches the skin,” says Arriaga.

Avoid Formaldehyde: Finding the best at-home keratin treatment is less about what you should see and more about what you shouldn’t see on the label.Best Frizz-Fighting At-Home Keratin Treatment: Nutree Amazonliss Keratin Smoothing Treatment.Best Everyday At-Home Keratin Treatment: OGX Anti-Breakage + Keratin Oil Conditioner.Most Nourishing At-Home Keratin Treatment: Davines Nourishing Keratin Sealer.Most Reparative At-Home Keratin Treatment: K18 Leave-In Repair Hair Mask Treatment.Best Overall At-Home Keratin Treatment: Gussi Hair At-Home Keratin Treatment Kit.

View Deal An Overview of the Best At-Home Keratin Treatments That said, while it’s likely that you’re going to get more foolproof, longer-lasting results from a salon keratin treatment, at-home keratin treatments can be worthwhile, budget-friendly alternatives. As Arriaga says: “Not all at-home keratin treatments are created equal.' It’s important to avoid certain chemicals and familiarize yourself with the pros and cons of each kind of keratin treatment.

Penny James and hair chemist and medical researcher Alexandra Arriaga. Then there are at-home keratin treatments, which can offer similar smoothing and straightening benefits at a fraction of the price and without many of the harsh chemicals (looking at you, formaldehyde).īut-and this is a big one-it’s important to do your research, which is why we've turned to trichologist Dr. And while they’re highly effective, they can cost up to $300 or more and take up a big chunk of time (think: three to six hours).

If your natural hair runs on the frizzy, can’t-be-tamed side of the spectrum and you can’t be bothered straightening and styling day in and day out, you might have done a little digging into the big wide world of keratin treatments.

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