Brazilian Bond Builder B3 Demi Permanent Conditioner. Is a one-of-a-kind professional treatment designed for extremely dry, color-treated and very damaged hair that delivers instant and long-lasting repair. It uses breakthrough bond-building technology that penetrates the hair shaft and fuses amino acids to weakened and compromised fibers. This deep reparative and conditioning action strengthens the hair fiber from within while sealing the cuticle to prevent moisture loss and protects against mechanical damage from heat-styling tools. Brazilian B3 Demi Permanent Conditioner. Delivers remarkably quick results. Hair becomes noticeably healthier, stronger, softer, and well-protected from future damage for up to 12 washes! For all dry and damaged hair. Repairs & strengthens the hair’s inner core. Seals the cuticle to prevent moisture loss. Protects against future damage. Lasts up to 12 washes. Helps reduce hair fall. Significantly cuts styling time.