2-17R Conditioner-is a reconstructor that rebuilds and conditions simultaneously. Bronner Bros Pro 2-17R contains Wheat Silicone, to moisturize and protect the hair; 17 of the 19 Silk Amino Acids naturally found in the hair, to replenish strength and elasticity; and Castor Oil for luster and suppleness. Bronner Bros Pro 2-17R will repair and revitalize your dry, weak, and damaged hair.