L'ANZA Keratin Healing Oil hair treatment is a beautifying oil from L'ANZA . The Keratin Healing Oil strengthens the hair, because of its formula, enriched with 19 different amino acids. As well as strengthening hair it gives up to 260° degree heat protection, when used with ceramic irons and heat tools. It can also be used as an in-salon or overnight treatment for tight, dry scalps because of its soothing and relaxing blends of unique oils. Free of sulfates, parabens, gluten and sodium chloride.