the three days after
we ask you to wait seventy-two hours before you wash your hair after a chemical service. most people nod, and then a good number of them wash it that night.
we understand. it is a strange ask. so here is the actual reason, because "just trust us" is not a good enough answer for three days of your life.
your hair opens, and then it closes
the outside of every strand is a layer of overlapping scales — the cuticle. when it lies flat, hair looks shiny and holds onto what is inside it. when it lifts, things can get in, and things can get out.
every chemical service works by lifting that cuticle. color has to get underneath it to deposit. lightener has to get underneath it to work. a smoothing treatment has to get in there to change how the strand behaves.
when you leave, the cuticle is closing but not closed. that is the entire reason for the wait. you are not protecting the color sitting on your hair — you are giving your hair time to shut the door on it.
what happens if you wash it too early
water, heat, and shampoo all encourage the cuticle to stay open longer than it should. wash on day one and some of what we just put in comes back out.
for color, that shows up as faster fade and a shift in tone — usually cooler and flatter than what you left with. for anything smoothing or bond-based, it can mean the treatment simply does not set the way it was supposed to. and for lightened hair, which is more porous to begin with, the effect is larger, because porous hair holds onto things less well in the first place.
none of this is dramatic. it is just money quietly leaving.
the range, honestly
forty-eight hours is the number a lot of the industry uses, and for a straightforward color deposit it is usually enough.
we say seventy-two because we would rather build in a margin than have you sitting at forty-nine hours doing math. and if you have had a smoothing or keratin service, seventy-two is not a cushion — it is the actual requirement, and your provider will tell you if yours runs longer.
if you are unsure which applies to you, ask before you leave. it is a ten-second question.
getting through it
dry shampoo is fine. use it at the root, and give it a minute before you touch it.
no heat styling for the first day or so if you can help it. heat opens the cuticle too.
day three, when you do wash: cool water, not hot. sulfate-free shampoo. and the wash after a chemical service is the one that matters most for how long everything lasts — a color-safe formula is not a marketing line, it is the difference between six weeks and four.
if you work out: rinse with cool water only, no shampoo, and get it dry. sweat is salt, and salt is not kind to fresh color.
the part we actually care about
we are asking for three days so that you get six or eight weeks. that is the whole trade.
it is the same reason we do not rush the service itself. the work only counts if it lasts, and most of what determines whether it lasts happens after you walk out of here.
your provider knows your hair — the porosity, the history, what your last color did. ask them for your number before you leave. it will not always be seventy-two, and it is worth knowing which one is yours.
book at olasflamingo.com — 12 south and goldfinch.
