Imagine if you could colour hair without the worry of damage. How much easier would your hair colour services be? Meet your new best friend, b3 Brazilian Bond Builder, a one-step system that reinforces the bonds that make up the cellular membrane complex, helping prevent the loss of cuticle and cortex cells responsible for supporting the inner structure of the hair. b3 Brazilian Bond Builder utilizes a specifically engineered co-polymer combined with a high-purity targeted delivery system to achieve prolonged colour retention and vibrancy between colour appointments. Product Benefits:– No Added Processing Time– Achieve better results and healthier hair with every colour service in a standard colour appointment time.– Simple One-Step System– Dramatically Reduces Breakage How to use: Use 3.5ml (1/8 oz) for:Single Process Color, Demi, Semi and Permanent, Balayage, Fashion Shades Use 7ml (1/4 oz) for:Ombre/Sombre/Colormelt, Highlights, Highlift & On Scalp Bleach – Helps Prevent Damage– For Use In All Colour Services: Highlights, balayage, ombre, somber, color melts, vivids, single process, high lift and on scalp bleach, glosses, glazes and more!