OPI I/S 0.5oz - Black Onyx by OPI is a professional-grade nail polishes engineered for consistent, dependable results in barbershops, hair salons, and at-home styling routines.

Key Details & Highlights

• Brand: OPI
• Category: Nail Polishes
• SKU: OPI44591
• Authentic Professional Supply: Direct-sourced for salon professionals, barbers, and DIY enthusiasts.
• Fast US Shipping: Ships within 24 business hours from DIY Hair Company—free shipping on Continental US orders over $39.