
"Isn't it the first cardinal rule of perm maintenance that you're forbidden to wet your hair for at least 24 hours after getting a perm at the risk of deactivating the ammonium thioglycolate?" — Elle Woods
That the entire plot of Legally Blonde comes down to someone washing her hair at the wrong time is telling. For those that manipulate their color and texture, timing is everything. Getting your hair wet in salt water after a Keratin treatment can end in disaster, and dipping blonde hair in chlorine can yield unintended punky results. Here, a list of times when you should not wash your hair. Come on, that's what Psssssst is for! For the full list, read more