Aftercare for chemically treated hair
Keratin, smoothening, colour and most other salon chemical treatments share the same basic aftercare logic, even though the treatments themselves work differently. This is general information, not a description of any specific aftercare given at Glamazon Unisex Salon By Isha — always follow what your own stylist tells you.
Why aftercare matters at all
A chemical treatment changes something about the hair's structure or its outer layer, and that change is generally more fragile in the days immediately after than it will be once it has fully settled. Good aftercare is less about extending the treatment forever and more about not undoing, in the first week, work that took hours to do.
The shampoo question, again
Across keratin, smoothening and colour alike, a sulphate-free and salt-free shampoo generally causes less fading than a standard supermarket shampoo. This is common advice across the hair industry, not specific to one treatment — it is one of the few pieces of aftercare that applies almost regardless of which chemical service you had done.
Water temperature and how you dry it
Hot water generally opens the hair's outer layer more than lukewarm or cool water, which can speed up fading on both colour and other chemical treatments. Rubbing wet hair hard with a towel is a common source of unnecessary friction damage — squeezing gently, or patting with a microfibre towel, is the generally preferred alternative.
Products worth adding, generally
A leave-in conditioner or a lightweight hair oil, used sparingly, generally helps chemically treated hair feel less dry between washes. This is general guidance, not a recommendation of any particular brand — a stylist who has seen your specific hair type and treatment can point you to something more precise than a general article can.
Warning signs worth mentioning to a stylist
Hair that feels unusually gummy or stretchy when wet, breaks off in noticeable amounts during normal brushing, or develops a persistent chemical smell days after a treatment is worth mentioning at your salon rather than waiting it out. These are not common outcomes, but they are the kind of thing a stylist would rather hear about early.
Combining treatments safely
Colour, keratin, smoothening and other chemical services generally need some spacing between them rather than being done back to back — how much spacing depends on the specific treatments and your hair's condition. If you are planning more than one chemical service, it is worth asking your salon to sequence them rather than assuming any order is fine.
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Read: keratin vs smoothening, which suits your hair