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. Package includes: 1 × Adjustable Derma Roller Stamp?Safe and Painless?Because of the fine needle tip, the skin micro needle stamp can minimize skin damage and promote skin absorption of active ingredients, suitable for home use. Makes a great gift for family and friends on any occasion. ?Easy to Use?Sterilize before using the skin micro needle stamp, roll it vertically, horizontally and diagonally about 4 to 5 times on the treatment area before using your favorite skin care products. micro needle stamp can be used on all areas of the face, neck and scalp. ?Improve Skin & Hair Growth?The Micro needle Stamp can promote the production of collagen, tighten and rejuvenate the 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. Microneedles can stimulate the scalp and increase blood flow to the hair follicles in a short period of time, thereby promoting the growth of new hair. ?0-2MM Adjustable Micro Needle?You can turn the bottom of the handle to choose the intensity you want. You can apply the manual derma pen stamp to all target areas, such as face, body, scalp, beard ect. The upgraded pins can produce smaller pore size of microchannel, increase the effect while reducing negative impact. ?High-Quality Material?Microneedling Pen Machine is made of surgical-grade stainless steel needles, which are not easy to break and bend, and will not cause skin allergies, giving you a good use experience.