14 Things You Should Know Before Getting a Perm

Be aware that if you're a dedicated wash-your-hair-every-day person you need to hold off washing it for three days after getting a perm, especially if curls are tight. Perming is a science and shampooing too early can hinder the texture and the longevity of the chemical treatment, Lecher says. Rizzo adds that perms need 28 hours after the process just to "neutralize."

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