The miscalculation of colour measurement

Competitive devices for measuring the skin with infrared light. Implemented is a pure color. That is, the lighter the skin, the more sensitive the skin is classified. The darker the skin, the more sensitive the skin is classified. That means the real and important UV protection, the light callosity, when color is not included. Organically related changes, such as increased UV-sensitivity by the administration of medication is not taken into account. Such drugs do so on the keratinocytes, it stated that if the skin color of an even less sensitive than substance, although it is much more sensitive! The result is a higher tanning time and thus the risk of sunburn. The color is based on the ability of absorption of melanosomes in the range of visible radiation (no UV radiation).