See and feel the difference after just one use. Hair Expertise Oleo Therapy Self-Heating Hot Oil contains 6 precious flower oils to deeply penetrate and restore even the most damaged hair strands. Hair is smoother, shinier, healthier. The self-heating ampoules instantly warm up to the ideal temperature and nourished damaged and relaxed hair. For dull, dry or damaged hair. Sulfate-free. Each oil ampoule is 0.5 oz.