Model: FR3001 Series FREATECH Shampoo Brush (1st Generation) Composition Premium ABS Handle + Food-grade Silicone Teeth How to Use? 1. For women, men, children and pets. 2. Apply shampoo to wet hair, use it in circular motions for 3 to 5 minutes and then rinse with water, leaving your hair & scalp clean and refreshed. Relax your head regardless o..