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Peptide Volumizing Hair Treatment | The INKEY List

Helps to increase hair thickness & volume from first use

Rated 4.2 out of 5 stars
4.2 Stars (102 Reviews)
$19.00 / 100ml


A lightweight serum that helps to increase hair thickness and volume.

Peptides are chains of amino acids that support proteins naturally found in hair.

Limp and thin hair is an incredibly common hair concern across all hair types and lack of volume can be caused by several factors, including diet, product build up, hormones, genetics or stress.

Suitable for:

  • All Hair Types
  • Colored Hair
  • Pregnancy & Breastfeeding


  • Fine Hair
  • Limp Hair
  • Flat-looking Hair

Proud to be:

  • Carbon Net-Zero
  • B-Corp
  • Cruelty Free
  • Recyclable
  • Vegan
  • Silicon Free
  • Sulphate Free
  • Alcohol Free
  • Gluten Free
  • Fragrance Free

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Rated 4.2 out of 5 stars
Based on 102 reviews
Total 5 star reviews: 64 Total 4 star reviews: 15 Total 3 star reviews: 13 Total 2 star reviews: 4 Total 1 star reviews: 6
102 reviews
  • Kay L.
    Verified Buyer
    I recommend this product
    Age Range 45 - 54
    Hair Type Wavy
    Hair Goals Increased Volume, Hair Growth
    Skin Type Combination
    Skin Concerns Redness, Breakouts, Fine Lines and Wrinkles, Dryness
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    This was a repurchase.

    I suddenly lost about half my hair due to a biologic medication. This has provided very noticeable extra volume as my hair grows back. A small amount goes far, no scents, and causes no skin irritations.

  • Natalie B.
    Verified Buyer
    Age Range 45 - 54
    Hair Type Wavy
    Hair Goals Increased Volume, Hair Growth, Curl Definition, Pollution Protection, Oil Control
    Skin Type Normal
    Skin Concerns Texture, Fine Lines and Wrinkles, Plumping, Under Eye Circles
    Sensitive Skin Friendly? Yes
    Rated 3 out of 5 stars
    1 week ago
    Little Expectations

    I don't know if this is a product that's supposed to work over time, but as for immediate results it volumized a tiny amount. It does not feel greasy, nor does it leave my hair oily.

  • Katrine Møller A.
    Verified Buyer
    I do not recommend this product
    Age Range 18 - 24
    Hair Type Wavy
    Hair Goals Curl Definition, Anti-Frizz, Increased Volume, Hydration
    Rated 1 out of 5 stars
    2 weeks ago
    kills my curls (+ tacky and smelly)

    i use (and love!) inkey's HA hair treatment and chia curl cream, but this one manages to kill my curls completely, flatten my hair, and leave it with a tacky feeling - regardless of how much i use, or how often, or whether i use it alone or in combination with one or both of the other two. in addition, it smells quite a bit. one of inkey's qualities imo is being perfume free, but whereas all the other products i have tried have at most a clean soapy scent, this one just smells really chemical and unpleasant

    TI Profile picture for The INKEY List CA
    The INKEY List CA
    1 week ago

    Hello Katrine!

    Thank you for your feedback and we're truly so sorry to hear this! Please do reach out to our askINKEY Team if we can support you further with your experience 🖤

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