the ordinary
1 active ingredient identified. We flag active ingredients based on common cosmetic-use and formulation patterns. This is informational only and not medical advice.
No pricing data available yet for the ordinary Multi-Peptide Serum for Hair Density
Exact science-based dupes appear first. When a strict dupe is not available yet, we still show the closest active-match alternatives.
YUN YOUNG · drugstore
Top active ingredients align closely enough to qualify as a science-based dupe.
No price

lilas cosmetics · drugstore
Fallback same-category alternative shown because a stricter science-based dupe is not available yet.
No price

NOVEX · drugstore
Fallback same-category alternative shown because a stricter science-based dupe is not available yet.
No price

BBKR · drugstore
Fallback same-category alternative shown because a stricter science-based dupe is not available yet.
No price

Mustela · drugstore
Fallback same-category alternative shown because a stricter science-based dupe is not available yet.
No price
We rank results with INCI-level analysis first, then fall back to the strongest active matches and closest alternatives so every product page still shows comparable options. Active Match % measures shared science-backed actives. Formula Similarity % measures total ingredient overlap when full INCI lists are available.