This is YT551 Cold Plasma Beauty Device integrating cold and hot plasma technologies, equipped with 6 functional probes: fusion ion beam, jet plasma beam, diamond needle, ceramic plasma, super plasma rolling needle and scaly plasma. Cold plasma (30–70℃) offers antibacterial and anti-inflammatory effects gently and non-invasively; hot plasma (120–400℃) stimulates collagen regeneration for skin tightening and anti-aging. It effectively improves acne, sensitive skin, inflammation, pigmentation, wrinkles, sagging, hair loss and scalp issues, while sterilizing, accelerating repair and enhancing skincare absorption.