The Ordinary Multi-Peptide Serum for Hair Density — Backed by Science, Built for Results
The Ordinary has built its reputation on straightforward, effective formulas, and this multi-peptide hair serum is no exception. Designed specifically to target hair thinning, it delivers active ingredients right where they’re needed most — the scalp and hair follicles.
A Multi-Peptide Approach
This hair density serum uses a blend of peptides known for supporting the hair growth cycle and improving the look of hair density. Rather than a single active ingredient, the multi-peptide complex works from several angles to support a healthier scalp environment.
Formulated for Thinning Hair
Whether you’re noticing a widening part, a thinning crown, or overall reduced hair density, this thinning hair serum is designed to be applied consistently to help support fuller-looking hair over time.
Lightweight, Scalp-Focused Formula
This scalp serum is formulated to absorb well without leaving a heavy or greasy residue, making it comfortable enough to fit into a daily or nightly hair care routine without weighing hair down.
Simple Application Routine
Using the included dropper, this hair growth serum is applied directly to the scalp in areas of concern, making it easy to target specific spots where density has become noticeably thinner.
Backed by The Ordinary’s No-Nonsense Approach
True to the brand’s reputation, this formula skips unnecessary fillers and fragrance, focusing purely on the actives that matter for supporting hair density and scalp health.
A Few Honest Notes
- Best used consistently over several weeks to months for visible results
- Apply directly to clean, dry scalp using the dropper
- Lightweight formula, won’t weigh hair down
- Part of The Ordinary’s targeted, active-ingredient-focused lineup
Hair density doesn’t improve overnight, but with consistent use, this serum is built to support real, gradual results.









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