[Professional Skin Analyzer] Equipped with 4 365 nanometer UV tubes, this beautician device can penetrate into the dermis and detect various skin conditions, including moisture levels, oil, pigments and dark spots, helping you better understand you skin. [Large Observation Area]This professional wood lamp skin analyzer provides 3x magnification lens effect for accurate detection. The large observation area provides a clear and detailed view of skin condition, helping you develop a better skin care plan. [Multi-Functional Application]In addition to skin conditions, wood lamp beauticians can also use this wood lamp to detect fluorescent agents in skin care products, as well as for pet fungus detection, cat and dog urine detection, making it a multi-functional tool. [Safe and Easy to Use]This facial wooden light is safe for skin and eyes, no goggles required. Simply turn on the bulb, place your face or desired area under the magnifying glass, and observe the skin condition in a dark environment for best results. [Working Principle] Skin melanin and collagen will emit blue fluorescence after absorbing long-wave ultraviolet rays. The appearance of fluorescence will vary with skin conditions. Wooden lamps can clearly detect skin conditions that cannot be identified with the naked eye.