characters: Matthew Matt Michael Murdock/Daredevil, Wilson Fisk/The Kingpin, Foggy Nelson, Karen Page & Jack Murdock (uncredited) Roger McKenzie ... character: Benjamin Ben Urich (uncredited) Frank Miller ... character: Elektra Natchios (uncredited) Meredith Mills-Cavalluzzo ...
Whether you use a boxed hair color at home or you get it done professionally at a salon, the recommended wait time before washing your hair is 24 hours.
Wait Before You Wash: You shouldn't wash your hair for three or four days after getting the treatment. That's because the solution takes time to work, he says. Upkeep: After you get a keratin hair treatment, and after the don't-wash waiting period, you should use sodium-sulfate-free shampoo to help maintain the treatment. How Long It Lasts: Expect the results to last two to 2 1/2 months. Keratin treatments won't make your hair break, but the flat-ironing might. The hair breakage has nothing to do with the treatments and everything to do with the flat irons that are used to dry and seal the hair afterward, says New York dermatologist Neil Sadick, MD.