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    1. Home
    2. Beauty
    3. 4 ways to make your Brazilian blow dry last longer

    4 ways to make your Brazilian blow dry last longer

    Published on 20 May 2018 - Last updated on 19 December 2025 by Beth Ryan

    That good-hair-day feeling you get after a Brazilian blow dry is hard to beat (your hair also looks so sleek you could literally be the face of a shampoo ad) but thankfully it’s not hard to hold onto. Locking in the nourishing effects of the treatment is as simple as a little bit of aftercare.

    • 1 Stick to the rules

      We know, rules are boring. But read on, you get to skip the gym. The first two-three days after your blow dry are the most important. To keep the glossy look going for longer, avoid contact with water and give strenuous exercise a miss to minimise sweat. Try not to tie your hair up too, as that can cause kinks. We can live without spinning for a couple of days.

    • 2 Go sulfate free

      Here come the long technical words. After those all-important first days, you've got the all-clear to wash your hair. But before you start lathering up the shampoo, have a look at the label and check for sulfates. These can damage the keratin: sometimes it appears on labels as sodium lauryl sulfate, sodium laureth sulfate or ammonium lauryl sulfate. Also look out for SLS and ALS.

    • 3 Invest in a silk pillowcase

      It seems extravagant, we'll admit, but hear us out. In any case, no one has to twist our arm to get us to buy a silky smooth fabric to rest our heads on. Indulgent, maybe (but hey we deserve it) – excessive, definitely not. It can really help your hair stay smooth and sleek for longer by helping to reduce frizz-inducing friction.

    • 4 Give your hairdryer a rest

      Yep – step away from the straighteners, the curling tongs and the hairdryer. This treatment tends to last a bit longer if you keep it natural, so avoid heat and over-styling. Let your hair dry by itself – it'll thank you for it too.

      With Treatwell, you can book beauty online at all your favourite salons – simple, hassle-free, and you can do it on the go. Discover amazing salons in your area for your next wax.

    FAQs

    What should you avoid in the first three days after a Brazilian blow dry?

    You should avoid contact with water, intense exercise that causes sweat and tying your hair up for the first two to three days. These actions help maintain the glossy, sleek look for longer. Minimising friction and moisture during this time keeps your style looking fresh.

    When can you wash your hair after a Brazilian blow dry?

    You can wash your hair after the first two to three days following the treatment. Waiting this period helps lock in the nourishing effects and ensures the results last longer. Use the right products to keep your hair looking its best.

    Which ingredients should you avoid in shampoos after a Brazilian blow dry?

    Avoid shampoos with sulfates like sodium lauryl sulfate, sodium laureth sulfate, or ammonium lauryl sulfate. Sulfates can damage the keratin in your hair. Also check for SLS and ALS on ingredient labels to protect your treatment.

    Why is a silk pillowcase recommended after a Brazilian blow dry?

    A silk pillowcase helps your hair stay smooth and sleek for longer. It reduces friction while you sleep, which can help minimise frizz and maintain the style’s effects. Silk feels indulgent, but it’s practical for keeping hair looking great.

    Should you use heat tools after a Brazilian blow dry?

    It’s best to avoid heat tools such as straighteners, curling tongs, and hairdryers. Let your hair dry naturally to make the treatment last longer. Over-styling or using heat can shorten the lifespan of your sleek look.

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