1. [Professional Skin Analyzer]With 4365nm UV light tubes, this esthetician equipment can penetrate into the dermis, and detect various skin states, including hydration levels, oiliness, pigmentation, and dark spots, helping you understand your skin better. 2. [Large Observation Area]This professional woods lamp skin analyzer provides a 3x magnifying lens effect for accurate detection. Large observation area a clear and detailed view of skin conditions, helping you formulate better skincare plans. 3. [Working Principle]Dermal melanin and collagen can emit blue fluorescence after absorbing a long wave of UV light. The fluorescence's manifestation will change following different skin conditions. Skin states that can't be identified by naked eye can be clearly detected by the woods lamp. 4. [Versatile Application]In addition to skin conditions, woods lamp esthetician can also use this woods light to detect fluorescent agents in skin care products and for pet fungus detection, cat and dog urine detection, making it a multifunctional tool.