Pureology Strength Cure Split End Salve Treatment helps to fortify strands and prevent further damage to micro-scarred and colour-damaged hair. The leave-in treatment contains Pureology's exclusive Astra-Repair with Astaxanthin, a powerful nature-derived antioxidant, plus Keravis, Ceramide and Arginine to fill in negative charges and replace the cysteine bonds, leaving strands feeling strengthened, restored and smooth. The healing formula provides hair with the perfect balance of strength and velvety softness. 100% vegan and suitable for colour-treated hair.