''create beautiful curls that last with the sachajuan curl treatment, a defining and defrizzing formula for curly hair, which creates a strong foundation for styling.'' kate, escentual beauty team. Why you'll love the sachajuan curl treatment. Strengthens and nourishes hair.. Reduces frizz.. Encourages sumptuous, soft and manageable curls.. Soft, creamy texture.. Pleasant scent.. Why it's escentual. If you're a fan of sachajuan, you'll likely be familiar with their beloved ocean silk technology this soft, creamy hair treatment is driven by this innovative technology, which has been expertly paired with wheat protein to strengthen, nourish and defrizz. Aside from its ultra nourishing abilities, we love that this curl enhancing treatment can be used for between five and ten minutes, allowing you to enjoy a pampering and luxurious moment of relaxation in the shower.. The best way to use it. Massage into washed hair and leave on for five to ten minutes before rinsing out thoroughly.