Item Type: Hair Growth Essence Ingredients: Ginger king, ginseng, polygonum multiflora, grape seed oil and other natural ingredients Product Specifications: 20ml / bottle Shelf Life: About 24 months, as possible to run out within four months   Usage: Step 1. Add 3ml hair growth liquid into 100ml shampoo, mix them even. Step 2. Use this shampoo which contain hair growth liquid as normal shampoo.