BBCOS Emphasis Yao-Tech 4’Repair is an ultra-fast, professional leave-on treatment that works at a molecular level to repair and strengthen hair in just 4 minutes . It’s designed for weak, stressed, or damaged hair, helping to rebuild internal structure, improve density, elasticity, and resistance.
Wash hair with a repair shampoo (e.g., Repair Washer Shampoo)
Towel-dry to remove excess water.
Apply evenly through hair, working in the palms of your hands.
Leave on for 4 minutes.
Proceed with blow-drying and styling
BBCOS Emphasis Yao-Tech 4’Repair is an ultra-fast, professional leave-on treatment that works at a molecular level to repair and strengthen hair in just 4 minutes . It’s designed for weak, stressed, or damaged hair, helping to rebuild internal structure, improve density, elasticity, and resistance.
Wash hair with a repair shampoo (e.g., Repair Washer Shampoo)
Towel-dry to remove excess water.
Apply evenly through hair, working in the palms of your hands.
Leave on for 4 minutes.
Proceed with blow-drying and styling