Chaitanya Kunchala on Instagram: "How to use derma stamp correctly? 1. Wash hair and scalp with a shampoo to remove dirt, oil, any buildup 2. Let the scalp dry completely 3. Before using derma stamp always use isopropyl alcohol to sanitise the derma stamp to avoid any infections 4. After that gently press the derma stamp onto the scalp avoid stamping more than 3 times at same area. 5. Avoid excessive pressure while pressing the stamp 6. Needle length should not be greater than 0.5mm for home use