Written byKhatuna Basiladze, hair stylist & makeup artist · 8 min read

Keratin Aftercare: The First 72 Hours and the Next Five Months

A keratin treatment is the one salon service where the client controls about half the result. The three or four hours in the chair are one half. The other half happens over the following weeks, in your bathroom.

The rules in one paragraph: do not wash your hair for 48–72 hours (the exact window depends on the formula — ask your stylist on the day), keep it completely unbent during that time — no ties, no clips, no sunglasses pushed up on your head — and then switch to a sulfate-free shampoo permanently. Those three things decide whether you get three months out of your treatment or five.

Everything below is the detail behind those three rules.

The first 72 hours: what “don’t touch it” really means

During this window the keratin is still settling into the strand. Any sharp bend you put in now gets locked in, and you will be looking at it for months.

Avoid:

Washing. Water interrupts the process. If your hair gets wet accidentally, dry it immediately and run a flat iron over it.
Hair ties, clips, chopsticks, buns. Every one of them leaves a crease that will not come out.
Sunglasses on your head. The single most common mistake in summer, and it leaves exactly the same crease.
Tucking hair behind your ears. Do it forty times a day and you will have a permanent kink at the temples.
The gym, sauna and steam. Sweat is water.

Fine to do:

Wear it down and comb it straight
Sleep on a silk or satin pillowcase — cotton roughs hair up overnight
On the wash day itself, a loose ribbon or soft wrap that does not pull

If your hair is long and tangles at night, sleep with it spread above your head on the pillow rather than tied.

Why sulfates are the real enemy

Sulfates (Sodium Lauryl Sulfate, Sodium Laureth Sulfate) are aggressive detergents. They are very good at removing oil — and along with it, gradually, your keratin.

One wash with an ordinary shampoo is not a catastrophe. Three months of ordinary shampoo is. A five-month result disappears in two, and this is far and away the most common reason people conclude that “keratin doesn’t work on my hair”.

What to look for on the label

Look for	Avoid
`Sulfate-free`	`Sodium Lauryl Sulfate`
`Salt-free` / `Sodium chloride free`	`Sodium Laureth Sulfate`
Amino-acid-based cleansing base	`Sodium Chloride` (salt speeds the wash-out)
Light conditioner and leave-in serum	Anything labelled “detox”, “clarifying” or “deep cleanse”

The last row matters most. A clarifying shampoo is designed to strip everything off the hair — it will undo a significant part of your treatment in a single wash.

Sea, pool and a coastal summer

This is where living in Batumi genuinely changes the advice. Salt water and pool chlorine pull a keratin treatment out considerably faster than tap water does. Which is why, over a coastal summer, three to four months is the honest expectation rather than five.

Avoiding the sea entirely is obviously not the answer. Instead:

Wet your hair with fresh water before you get in. Hair that is already saturated absorbs far less salt water — the same principle as a wet sponge.
Apply a leave-in conditioner or oil before you go down to the beach. It works as a physical barrier.
Rinse with fresh water the moment you come out. Salt drying on the hair keeps working on it.
Tie it up or wear a hat for long sun exposure. UV protection helps your colour and your treatment at the same time.

More seasonal detail in sea, sun and salt on the Batumi coast.

Colouring after keratin

The rule is simple: colour first, smooth second.

If you want both, the correct order is colour, a few days’ gap, then the keratin treatment. The treatment seals the colour in and the result is better on both counts.

If you already have keratin and now want colour:

Wait at least two weeks
A gloss, toner or ammonia-free colour is safer than lightening
Bleaching over a keratin treatment is a separate conversation and never starts without looking at the hair in person

Root touch-ups every couple of months are not a problem, provided the colour stays on the roots and is not dragged through the lengths.

Heat tools afterwards

The paradox of a keratin treatment is that its whole point is needing your flat iron less — but you do not have to abandon it.

Blow-dryer: use it. Hair dries freely and noticeably faster than before.
Flat iron: as needed, on a lower setting. Treated hair does not need 220 °C. 160–180 °C is plenty.
Heat protectant: every time, no exceptions. That was true before the treatment too.

“My hair got greasier” — what is actually happening

A very common report, and the answer usually surprises people: your hair did not get greasier, it got smoother.

On a smooth, straight strand, oil travels down from the scalp easily. On a curly strand it gets stuck near the roots. After a smoothing treatment that oil finally makes it down the hair — so the roots look oily sooner than you are used to.

What helps: less shampoo per wash, conditioner on the lengths only (never at the roots), and touching your scalp less during the day. It almost always balances out within two or three weeks.

Month by month: what to expect

Week 1. Maximum straightness and shine. This is the glossiest your hair will look; it softens slightly afterwards, and that is normal.

Month 1. The result is stable. Natural movement comes back. Frizz does not.

Months 2–3. Your own texture appears at the roots. There is no hard line — the transition is gradual.

Months 4–5. Hair gradually returns to its own character. This is the point to think about repeating — but based on how the hair looks, not on the calendar.

Repeating is not automatic. If hair looks tired, we plan a restorative treatment first and postpone the smoothing.

Six common mistakes

Ordinary shampoo “just occasionally”. Occasionally usually turns out to mean twice a week.
Hotel and gym shampoo. Travel with your own. This genuinely matters.
A deep-cleansing mask. “My hair felt heavy so I clarified it” — and half the treatment went down the drain.
Not rinsing after the sea.
Cranking the flat iron out of habit. Turn it down; the hair no longer needs that heat.
Repeating too often. Keratin every two months is not maintenance, it is load.

If you had it done elsewhere and are continuing care here

Plenty of people arrive in Batumi with a treatment done in another country and then hit the coastal climate for the first time. Two things change.

The wash-out clock speeds up. Salt, humidity and more frequent washing all compress the timeline. A treatment that reliably gave you five months at home may give three or four here. That is the climate, not the treatment failing.

Your product routine may need adjusting. Water hardness differs from place to place, and a shampoo that worked perfectly elsewhere can leave residue here. If your hair suddenly feels coated and heavy despite doing everything right, that is usually mineral build-up rather than the keratin.

What is worth doing before your next appointment: note which formula was used, when, and how long the result actually lasted. That single piece of information changes what gets recommended next.

Frequently asked questions

When can I wash my hair? Usually 48–72 hours afterwards. Some modern formulas allow a same-day wash. It depends entirely on the product — ask on the day of your appointment and remember the answer.

Is sulfate-free shampoo essential or marketing? Essential. It is the one requirement not worth compromising on; sulfate shampoo shortens the result by a factor, not by a little.

Can I swim in the sea after a keratin treatment? Yes, once the first 72 hours have passed. Wet your hair with fresh water first and use a leave-in product. You do not need to avoid the sea.

How long does keratin last in Batumi? Three to five months on average, closer to three or four across a summer. Sea, pool and frequent washing all shorten it.

Can I tie my hair up? After 72 hours, yes — loosely, and not with metal clips. A soft tie that leaves no mark is fine.

If I don’t like it, can I remove it? Not quickly. Keratin washes out gradually. Sulfate shampoo speeds that up, but it is not the kindest route for your hair. This is exactly why we talk through expectations before the appointment rather than after it.

Should I get a trim before or after? Before is better — the ends come out even and the finish is cleaner. If you forgot, trimming afterwards is fine too.

Had it done elsewhere and now have questions?

That happens often and it is completely fine. Tell me which formula was used (if you know), when it was done and what you are seeing now, and I will tell you whether it is a normal stage or something worth correcting.

Get in touch — a phone consultation costs nothing and often saves you an unnecessary appointment.

This article is general information, not medical advice. If you are pregnant, have allergies, a scalp condition or hair shedding from the root, ask a doctor first. Durations such as “3–5 months” are typical ranges, not a guarantee for your hair — I confirm them after seeing it.