ZGTS roller needles consisting of 192 needles is a needle rolling method for treating dark scars, etched scars, pore tightening, anti-aging... Safe and convenient. Using a roller helps stimulate the skin's stem cells to work, accelerate the process of new skin regeneration, increase the ability to absorb nutrients as quickly as possible, and other uses such as: - Specializes in acupuncture to fill scars, treat melasma, soften the skin, rejuvenate and rejuvenate the skin. - Create false microcuts, strengthen the skin for better absorption of nutrients and stem cells. - Helps stimulate the regeneration of new skin cells, eliminate aging skin cells. - Boosts nutrient absorption by 1000 times compared to other conventional applications.