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    Kérastase

    BHD 21.250

    4.6

    Resistance Length Boosting Serum

    Strengthening scalp and hair serum for stronger fiber from the roots. This energizing leave-in treatment is key to reinforcing and promoting a healthy scalp. Applied with a gentle scalp massage, it's ideal to achieve strong, long healthy hair.

    A soothing, calming hair serum has a light texture like drops of water, yet it is highly concentrated with nutrients and active ingredients. Easily absorbed and infinitely beneficial, a serum is skin care for a sensitive, itchy scalp.

    BHD 21.250

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    P3528134

    Kérastase

    Resistance Length Boosting Serum

    BHD 21.250

    Kerastase = Sephora

    Kérastase

    #1 luxury professional haircare brand worldwide*

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    Reviews

    4.6

    370 Reviews

    5

    4

    3

    2

    1

    291

    41

    15

    5

    18

    Recent Reviews

    Lynda B

    Verified Buyer

    5

    7/15/2026

    Great product

    LOVE this scalp serum. Feels soothing to the scalp and helps the appearance of your hair as you work it down.

    Recommended

    Originally posted on kerastase-usa.com

    Beeppbop

    Age: 45 to 54

    4

    7/15/2026

    It works!

    I’ve been using this for about 6 months and have seen dramatic improvement in reducing my hair loss. Within 1 month, I have seen baby hair grow out.

    Originally posted on kerastase-usa.com

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