R-Peptide 4x4
A targeted hair serum from Revolution Beauty, R-Peptide 4x4 delivers a light, non-greasy texture designed to strengthen and improve manageability for thinning or fragile hair. Fragrance-free and vegan-friendly, it suits those seeking repair and daily use without heavy residue. Expect a straightforward application that layers well under styling products.
Ingredient Safety
No risk3
Low risk29
Moderate risk4