NO.4C powered by patented olaplex bond building technology, this richly lathering clarifying shampoo is formulated with abroad spectrum clarifying system to remove damaging impurities & build up leaving brilliantly clean hair with airy softness & volume, restored shine, vibrant color clarity, & clean scalp. How to use: – Apply it to damp hair, massaging the scalp and hair well, and leave it on for 5 minutes.- Rinse thoroughly. – Follow with olaplex NO.5 or proceed with your stand- alone treatment or chemical service. شامبو مدعوم بتقنية Bond Maintenance