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Peptide Volumizing Hair Treatment | The INKEY List

Helps to increase hair thickness & volume from first use.

Rated 4.3 out of 5 stars
4.3 Stars (94 Reviews)
€11,20 €14,00 / 100ml

20% OFF + FREE Dewy SPF 30 over €45! Limited time only.


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

Delivery info

  • (calculated at checkout, shipping destination dependent)

  • Standard EU Tracked Shipping

  • €5.95 (2-5 business days*). FREE on orders above €45**.

  • **The following countries are subject to increased Standard Tracked Shipping rates. In addition, Express Shipping is not available to these countries.

  • €6.95 - Denmark, Finland, Switzerland, Estonia, Luxembourg - (2-5 business days*). FREE on order over €45.
  • €8.95 - Spain, Portugal, Greece, Sweden, Croatia, Bulgaria, Romania - (2-5 business days*). FREE on order over €55.
  • €11.95 - Malta, Cyprus, Iceland, Serbia, North Macedonia, Bosnia & Herzegovina, Monaco - (2-5 business days*). FREE on order over €65.
  • Express EU Tracked Shipping

  • €11.95 (up to 4 business days*, if ordered before 4pm CET on business days) 

  • Tariff or duties
  • Orders with EU shipping destinations won't be subject to any tariff or duties, however please note that there are a small number of EU and European territories that still require tariffs and duties that will need to be covered by the customer.

*Find out more about shipping here.

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Rated 4.3 out of 5 stars
Based on 94 reviews
Total 5 star reviews: 61 Total 4 star reviews: 15 Total 3 star reviews: 11 Total 2 star reviews: 3 Total 1 star reviews: 4
94 reviews
  • Fanni B.
    Verified Buyer
    Age Range 25 - 34
    Hair Type Straight
    Hair Goals Repair Damaged Hair, Increased Volume, Oil Control
    Rated 3 out of 5 stars
    1 month ago
    It’s ok

    I haven’t really seen any difference in the volume. Not my fave.

  • Juanita C.
    Verified Buyer
    I recommend this product
    Age Range 55 - 64
    Hair Type Straight
    Hair Goals Hydration, Repair Damaged Hair, Nourish Hair, Hair Growth, Increased Volume
    Rated 5 out of 5 stars
    1 month ago
    Great for fine, thin hair!

    I love this for my very fine and thin hair. Not heavy and gives my hair some bounce!

  • Laura W.
    Verified Buyer
    I recommend this product
    Age Range 25 - 34
    Hair Type Straight
    Hair Goals Oil Control, Increased Volume
    Rated 5 out of 5 stars
    2 months ago
    this is a must!

    My favourite hair product for thin hair with no volume. I bought another volumizing product for extra umpf from somewhere else but it was more expensive and didn't have the same effect and texture as this one. The texture is very natural. I usually run it from root to tip the blow dry my hair upside down to 'activate' that lift, i used to not like my hair that much, but now i love it!

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