6 in 1 Derma Roller System This dermis kit acts on the epidermis of the skin, does not penetrate into the living layers of the skin. These are safe and effective skin care products that effectively improve the appearance of your skin with a radiant appearance and give your skin a smoother feeling. How to use Derma Roller? 1. Exchange the derma roller heads correctly according to the processing. 2Thoroughly wash your face with a brush and dry completely. 3Apply a suitable nourishing lotion/serum to the skin area for the roller. 4For best results, use light pressure, and gently flip the skin horizontally, vertically, and diagonally. Pass each skin area 4-5 times in one direction. Do not turn the same section over 10 times. 5 Rinse the Roller in warm water, then disinfect. 6. After the dermis is rolling, reapply the desired skin care product or serum or mask products to the skin that requires care in case of skin irritation. original picture