Menthol vs Sh-Polypeptide-9
Menthol and Sh-Polypeptide-9 are both other ingredient ingredients. Menthol is found in 84 products while Sh-Polypeptide-9 appears in 4, making Menthol the more widely used option.
Menthol
Other ingredient
Sh-Polypeptide-9
Other ingredient