Protect your hair and extend your straight styles with the sulfate free joico smooth cure shampoo ideal for wavy hair that needs to be tamed whether coarse or fine this ultra gentle cleanser creates sleeker smoother strands that are far easier to manage the silkening effect lasts for 72 hours ensuring that your frizz is kept well and truly in check the smooth cure shampoo is powdered with a formaldehyde free kerashield complex containing keratin brazil nut oil and tucuma butter which