Biolage Smooth Proof Leave-In Serum

Biolage Smooth Proof Leave-In Serum is a lightweight smoothing serum that controls frizz, adds shine, and protects hair. This serum absorbs quickly to smooth the cuticle and reduce flyaways while providing humidity resistance. It helps improve manageability and enhance natural radiance. Ideal for daily use on all hair types seeking silky, smooth, and frizz-free results.