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The Inkey List Peptide Volumizing Hair Treatment 100ml

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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. Peptides are chains of amino acids that support proteins naturally found in hair. Our Peptide Volumizing Hair Treatment is a lightweight serum that helps to increase hair’s thickness and volume. 





Fine hair in need of a volume and thickness boost. 



2% KERANUTRI™***: helps hair to look thicker and more voluminous. 

2% ACB PISUM SATIVUM PEPTIDE: Helps hair to look more voluminous. 

1% BETAINE: Helps to condition hair, leaving it soft and healthy. 

***Keranutri™ is a trademark of Azelis and is used with permission 


PRODUCT CLAIMS: Instant appearance of 10,000 more hairs after just one use*

 76% of participants agreed that their hair felt thicker**

*Based on clinical testing on 2% Keranutri™ *

*Based on consumer testing on 51 participants, formula containing 2% KERANUTRI™ This product contains no animal derivatives and is alcohol and fragrance free




Staying true to our Planet pillar, the packaging for the new Peptide Volumizing Hair Treatment is 100% recycle ready Our goal is to recycle, reduce and reimagine how we use packaging in the best way for our products and the planet. 100% of this bottle is recycle-ready. Our packs are made from minimum 50% recycled plastic and the carton we use is made of FSC certified cardboard and is also recycle-ready. We have also made our hair bottles non-carbon black to ensure they have the best chance of being recycled at plant.




Suitable for



How to use

Use as a post wash treatment. Shake bottle first, then pour onto the palm of your hand and work through wet or dry hair. Apply enough product to thinly coat all of your hair. Leave on and style as usual. For best results, apply 1 - 2 times per week. HOW TO LAYER YOUR HAIRCARE ROUTINE: Peptide Volumizing Hair Treatment works alongside all other The INKEY List Hair and Scalp products. When using Peptide Volumizing Hair Treatment or PCA Bond Repair Hair Treatment, use Hyaluronic Acid Hydrating Hair Treatment afterwards. Apply before using Shea Oil Nourishing Hair Treatment, as the last step in your hair routine. For all other The INKEY LIST hair treatments, because of the role they play and the way they work on your hair, these can be applied in no particular order.


Water (Aqua/Eau), Pisum Sativum (Pea) Peptide, Betaine, Glycerin, Panthenol, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, Polyquaternium-37, Citronellyl Methylcrotonate, Ethylhexylglycerin, Ceratonia Siliqua (Carob) Seed Extract, Hydrolyzed Soy Protein, Zea Mays (Corn) Starch, Leuconostoc/Radish Root Ferment Filtrate, Trisodium Ethylenediamine Disuccinate, Polyquaternium-16, Potassium Sorbate, Sodium Benzoate, Guar Hydroxypropyltrimonium Chloride, Polyquaternium-7.I3:J3