Sesa Onion Shampoo with Reetha & Shikakai is a mild shampoo made with natural onion ingredients. Regular use leaves your hair feeling soft and smooth. Made with natural ingredients from Onion Reetha Shikakai. How to Use:- Gently massage with fingertips for 10 minutes. Leave overnight or at least an hour before wash. Step 2: Rinse off with Sesa Onion shampoo.