The Ordinary Multi-Peptide Hair Density Serum, 2 fl oz — Lightweight Peptide Formula for Thicker, Fuller-Looking Hair

The Ordinary Multi-Peptide Serum for Hair Density is a lightweight, leave-in peptide blend formulated to support the scalp and promote thicker, denser-looking hair over time.

This concentrated serum combines multiple peptide technologies with plant-derived extracts and soluble caffeine to target the appearance of hair density without heavy residues. Designed for daily use on a clean, dry scalp, the formula is easy to integrate into morning or evening routines. It is free from animal testing, gluten, alcohol, and silicones, and aims to improve the look and feel of thinning or fine hair by nourishing the scalp environment.

How does this serum work to make hair look fuller?

The product layers several peptide complexes and botanical actives that target different aspects of scalp and hair appearance. Instead of thickening each strand chemically, it focuses on supporting a healthier-looking scalp, which can help hair appear denser overall.

• Contains REDENSYL™, Procapil™, CAPIXYL™, BAICAPIL™ and AnaGain™ to target density visual cues.
• Includes high-solubility caffeine to energize the scalp surface for a livelier appearance.
• Plant extracts such as Larix Europaea and Pisum Sativum deliver nutritive support.

How should I use the serum for best results?

Use a few drops applied directly to a clean, dry scalp once daily—many users prefer applying at night so the formula can sit undisturbed. Gently massage the product into the target areas to ensure even coverage and absorption.

• Apply to dry, freshly washed hair or a clean scalp once per day.
• Dispense a few drops, part hair to reach the scalp, then massage in briefly.
• Leave in—do not rinse—and style as usual; consistent use yields the most noticeable changes.

Is it suitable for my hair type and routine?

The serum is formulated to be lightweight and non-greasy, making it compatible with most hair textures and styling habits. Because it’s silicone- and alcohol-free, it layers well with other styling products and treatments without causing buildup.

• Works on fine, medium, and coarse hair textures seeking a fuller look.
• Safe to combine with shampoos, conditioners, and topical styling products.
• Vegan and cruelty-free, fitting into clean-beauty routines.

What can I realistically expect over time?

Results are gradual; the formula supports scalp condition and the visual density of hair when used consistently. Immediate changes are usually cosmetic—lighter, less weighed-down hair and improved scalp feel—while cumulative improvements in overall appearance may take weeks.

• Immediate: lightweight feel, no residue, easier styling.
• Short term: improved scalp nourishment and hair vitality look.
• Longer term: progressive appearance of fuller, denser hair with continued daily use.

Who is this for: The Ordinary Multi-Peptide Serum for Hair Density is aimed at people wanting a non-greasy, daily leave-in treatment to improve the appearance of thinning or fine hair. It suits anyone looking for a peptide-forward, plant-enhanced formula that integrates into existing routines, especially those seeking scalp-first solutions without silicones, alcohol, or animal-derived ingredients.

Ingredients

Aqua (Water), Propanediol, Butylene Glycol, Glycerin, Caffeine, Biotinoyl Tripeptide-1, Acetyl Tetrapeptide-3, Larix Europaea Wood Extract, Pisum Sativum Extract, Scutellaria Baicalensis Root Extract, Triticum Vulgare Germ Extract, Glycine Soja Germ Extract, Trifolium Pratense Flower Extract, Camellia Sinensis Leaf Extract, Apigenin, Oleanolic Acid, Arginine, Glycine, Calcium Gluconate, Zinc Chloride, Lactic Acid, Gluconolactone, Dextran, Maltodextrin, Hydroxyethylcellulose, Xanthan Gum, Pentylene Glycol, Dimethyl Isosorbide, Polysorbate 20, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Trisodium Ethylenediamine Disuccinate, Sodium Metabisulfite, Sodium Benzoate, Phenoxyethanol, Chlorphenesin.