Pros

  • Promotes fuller, thicker hair making it suitable for those experiencing hair thinning.
  • Designed for all hair types, so it caters to a broad audience.
  • Lightweight formula that doesn’t leave a greasy residue.
  • Many users report noticeable improvements in hair density over time.
  • Easy to apply, making it convenient for daily use.

Cons

  • Some users may need to use it consistently for an extended period before seeing results.
  • May not be effective for significant hair loss or balding.
  • Possible mild scalp irritation for very sensitive skin types.
  • The scent may not be appealing to everyone.
  • Results can vary greatly depending on individual hair conditions.

Bottom Line

The Ordinary Multi-Peptide Serum for Hair Density is a promising product for those looking to improve hair thickness and density, especially if you're struggling with mild hair thinning. Though patience is required to see results, this serum's lightweight, non-greasy formula is friendly for all hair types. However, those with significant hair loss might want to explore other options as well.

Lowest at Amazon
$19.99 at Amazon
Lowest at any Popular Retailer
$12.86 at Bonanza
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 56 retailers to give you the short version.

Where to Buy

Prices last updated: April 30th 2026 2:16 pm
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