Features Effectively improve skin problems, tighten skin, whiten and remove freckles, and remove dark circles. May promote hair regrowth by increg blood flow and promoting collagen production in the skin. Small and lightweight, you can take it anywhere. The non-slip handle is easy to grab. Safe and painless to use, you will only feel a slight tingling sensation when you slide the roller on your skin. Precautions: 1. Excessive use of the derma roller may cause skin irritation. Use no more than 2-3 times per week. 2. Do not use if you have sensitive skin, open wounds or acne. 3. Please keep away from children to prevent injury. SAFETY WARNING NoEasy to UseSterilize before using the skin microneedle roller, roll it vertically, horizontally and diagonally about 4 to 5 times on the treatment area, and then use your favorite skin care products. Dermal rollers can be used on all areas of the face, neck and scalp. Promote Hair GrowthMicroneedling can stimulate the scalp in a short period of time, increase blood flow to the hair follicles, activate the body's natural healing process, thereby promoting the growth of new hair and improving the thickness and quality of existing hair. Improve SkinMicroneedle roller can promote collagen production, firm and rejuvenate skin, shrink pores, fade dark spots, repair acne marks, etc., effectively improve various skin problems. Used together with creams and essences, it can promote the absorption of skin care products. 6 in 1 DesignThe facial skin care microneedling set can meet your different skin care needs. The 0.5mm fine needle is used for the eyes, the 1.0mm medium needle is used for the face, and the 1.5mm thick needle is used for the body. Equipped with silicone brush, disinfection b and storage box, it is easy to use. Safe Microneedle RollerMade of medical grade needles and ABS, it is safe to use and will not cause any harm to healthy skin. The derma roller penetrates the stratum corneum through tiny needles, opening the channel that hinders skin absorption, thereby promoting the effective absorption of skin care products and stimulating collagen production.