New! Bundle Lot Biosilk Silk Therapy Original Cure, 12 oz - 8 PACK Paraben Free!. Silk Therapy Original Cure, 12 oz Size : 12 Ounce Fills voids in cuticle to create smooth hair Leave in replenishing & reconstructing treatment Aids in preventing split ends, provides incredible shine Silk Therapy Original is weightless leave-in silk replenishing and reconstructing treatment that helps repair, smooth and protect all hair types. Ideal for all hair types Fills voids in cuticle to create smooth hair Leave in replenishing & reconstructing treatment