Encourages Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Obagi Nu-Cil BioStim Hair Scalp Serum with Biotin – Clinically Proven to Promote Scalp Health & Deliver Visibly Fuller, Denser Hair – Lightweight, Strengthens Follicles, & Encourages Regrowth – 2 oz Added to wishlistRemoved from wishlist 0 Add to compare $125.00