I was talking about tanning and burning. That is UVA. Vitamin D lamps limit the light to a single wavelength at least mine does. As for damage, the wavelengths

I was talking about tanning and burning. That is UVA. Vitamin D lamps limit the light to a single wavelength at least mine does. As for damage, the wavelengths that are suppose to cause the most damage are different to the wavelength that it uses for vitamin d.