The Activator Gel contains Silver Nitrate that tints brows and lashes from deep within. For brows and lashes the second step that lets the hair appear to be very dark, but this is not the final tinting result.
FOR PROFESSIONAL USE ONLY. DO NOT MIX THE INTENSIFYING PRIMER, BASE GEL AND ACTIVATOR GEL. THE GELS ARE APPLIED SEPARATELY IN A SPECIFIC SEQUENCE. PLEASE READ FULL INSTRUCTIONS PRIOR TO USE.