Size: 2 oz/ 60 mL

Transform lifeless looking hair with The Ordinary Peptide Serum Hair Density, a concentrated vegan haircare formula that blends peptides, caffeine and strong natural extracts to volumise the hair from its roots to its tips.

This ultra-lightweight and multi-peptide serum unites its ingredients in an emollient base to effectively penetrate the scalp, working deep within hair follicles. This serum helps to leave the hair looking thicker, denser and fuller by supporting its health at its core.

For best results, apply a few drops of The Ordinary Peptide Serum Hair Density to a clean dry scalp daily, ideally at night time, and massage into the scalp thoroughly. This is a leave-in product that does not require rinsing.

  • A concentrated serum that supports the hair’s health
  • Works towards thicker, denser and fuller-looking hair
  • Blends peptides, caffeine and natural extracts for enhanced volume
  • Ultra-light formula
  • Vegan and cruelty-free

Suggested Usage:
-Apply a few drops or as needed to clean, dry scalp.
-Massage into scalp thoroughly.
-Apply once daily, ideally at bedtime.
-This formula is a leave-on/-in treatment.
-Do not wash hair or scalp after application.


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