The Facts About Keratin Hair Treatments
Read these expert opinions and reader reviews before deciding if a keratin hair treatment is right for you
Average cost: $350
Results last: 6 to 8 weeks (formaldehyde-free version) 3 to 4 months (formaldehyde version)
Post-care requirements: You must wait 72 hours to shampoo or style hair and sulfate-free shampoos and conditioners are recommended.
Lorraine, who has Keri Russell-like curls and performs these treatments, has experienced the formaldehyde-free version of this one (along with the Brazilian Blowout and Keratin Complex). "If I never had the Brazilian Blowout, I would have loved it," she says. The main reason it's not her fave, "I still saw some fluff," she says. She does recommend it for people who want to "dip their toe in the water since it's the most gentle."
Find a salon that does this keratin treatment, here.