Put your best brow forward with BROWBOND™ Building Serum. Powered by Olaplex Peptide Complex Technology™, Olaplex Bond Building Technology™ and an innovative peptide to support the natural growth cycle and brow retention for the look of fuller, denser, more youthful eyebrows. A clear, 3-in-1 brow-grooming gel-serum that shapes and sculpts with all-day hold, and promotes the look of denser eyebrows in as little as 4 weeks,* Prostaglandin free. Ophthalmologist and Dermatologist tested. Non-irritating. Skin-safe.