This fiberstrong conditioner by matrix biolage is a lavish creamy conditioner designed specifically for weak and damaged hair containing intra cylane and bamboo extracts to specifically target and repair weakened hairs this conditioner will leave you with detangled touchably soft locks perfect for use in conjunction with matrix biolage fiberstrong shampoo kd directions of use after using biolage fiberstrong shampoo massage into wet hair leave in for 1 3 minutes rinse thoroughly