Bosley mendXtend Strengthening System Get longer, thicker, fuller-looking hair with mendXtend Strengthening System. Tri Bond phyto-molecular technology strengthens strands from the innermost layer of hair while DHT inhibitors promote healthy hair growth. Prevents breakage AND promotes growth Promotes longer, thicker, fuller-looking hair Strengthens strands from the innermost layer of hair fibers Promotes hair growth with DHT (the hormone linked to hair loss) inhibiting ingredients Adds voluminous body with shine Provides weightless hydration Repairs bleach & heat damaged hair Lab Tested Prevent breakage after one use 1.5x stronger strands after one use Save 1400 hair fibers in 30 days Kit Includes mendXtend Strengthening Shampoo 150ml Get longer, thicker, fuller-looking hair with mendXtend Strengthening System. Tri Bond phyto-molecular technology strengthens strands from the innermost layer of hair while DHT inhibitors promote healthy hair growth. mendXtend Strengthening Conditioner 150ml Get longer, thicker, fuller-looking hair with mendXtend Strengthening System. Tri Bond phyto-molecular technology strengthens strands from the innermost layer of hair while DHT inhibitors promote healthy hair growth. MendXtend Leave-In Treatment 100ml Strengthen fine strands with silicone-free leave-in treatment. This Tri·Bond phyto-molecular technology prevents breakage from the innermost layer of hair while DHT inhibitors promote healthy hair growth for longer, fuller hair.