uvb 311nm for psoriasis
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UV light For Vitiligo treatment KN-4003B1 UVB Phototherapy
1. Small size design ,suitable for children and small size area use at home. 2. Safe to treat lesions such as the corner around eyes. 3. Long life span of the uv led more than 3000 hours 4. Built-in rechargeable li-on batteries
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