This derma roller from DRS comes with a 540 Titanium alloy needle of 0.5 Dm for better bearing and is made of ABS for good durability. It can be used for hair regrowth treatment as well as anti-aging solution. To get the best results, clean your face or the area in need of treatment with lukewarm water and use the Derma Roller 2 times per week / 10-15 minutes. After derma roller therapy, apply moisturizer cream or serum to maintain your skin's moisture. Apply it several times to relax your skin and protect it from irritation. It is perfect for those who have skin type combination and skin tone medium. It is suggested to keep it away from children for greater safety. This package includes a derma roller.