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← Peptide library
HAIR & SCALP · COSMETIC PROFILES

Look closer at your scalp serum.

Understand the label, explore the research and see what remains unanswered.

The Ordinary Multi-Peptide Serum for Hair Density, 60 mL — manufacturer product photograph
The Ordinary

Multi-Peptide Serum for Hair Density

60 mL · Leave-in scalp serum

A source-checked label profile. Clinical interpretation is an editorial draft.

Understand this serum

Start with the peptide names

Different names, different evidence. Neither a blend name nor a peptide count is a quality score.

Ingredient explainer · Draft

Biotinoyl Tripeptide-1

A peptide listed in the brand’s Procapil blend.

Explore the explanation Ingredient explainer · Draft

Acetyl Tetrapeptide-3

A peptide listed with red clover extract in the brand’s Capixyl blend.

Explore the explanation

Scalp products are kept separate from facial-serum comparisons. Human editorial and qualified scientific review remain pending.