The Ordinary’s serum is where many people start: a low-cost, lightweight, fragrance-free leave-in you apply to the scalp daily. Results vary by person and take time. This is informational, not medical advice.

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The Ordinary Multi-Peptide Serum for Hair Density
An affordable, fragrance-free peptide serum that's become the gateway scalp serum — light, non-greasy, and easy to use daily.
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- Format Leave-in serum
- Fragrance Free
- Use Daily, on scalp
Specifications
| Format | Leave-in serum |
|---|---|
| Fragrance | Free |
| Use | Daily, on scalp |
Pros and cons
What we like
- Inexpensive for the category
- Fragrance-free, lightweight
- Simple daily routine
What we don't
- Results are gradual and vary
- Dropper can be fiddly