Ingredient · INCI listed
Sh Polypeptide 121
A bioengineered growth-factor-style peptide marketed to support repair and renewal. Active in biology, though topical results are debated.
Data summary
Products containing
2
Most common in
1 product
moisturizers
Typical pairing
Niacinamide (Vitamin B3)
Verified reviewer
In the catalog
Sh Polypeptide 121 by the numbers.
Sh Polypeptide 121 appears in 2 products across the DermFND catalog, and it's strongly concentrated in moisturizers — 1 product, 50% of where it shows up. Those products average a 74/100 formulation score — above the catalog norm — topping out with Youth to the People Polypeptide-121 Future Cream at 75/100.
Its most frequent formulation partners are Niacinamide (2 shared formulas) and Peptides (1 shared formula).
Where it shows up
