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| Indoor tanning lotion ： ウィキペディア英語版 |
Indoor tanning lotion
Indoor tanning lotions accelerate the tanning process, by promoting the production of melanin. Increasing blood flow to the skin is a proposed mechanism, which may in turn stimulate production of melanin by melanocytes.〔http://www.lookingfit.com/articles/2000/03/a-maturing-industry.aspx〕 Indoor tanning lotions contain no sunscreen and offer no protection from the sun. Unlike sunless tanning lotions, these are designed for use with an ultraviolet source such as a tanning bed or booth.
Exposing oiled skin to ultra violet radiation is not advisable as this would increase the probability of skin damage. The FDA warns that using cosmetics, which make skin more sensitive to UV rays, makes tanning beds more dangerous. In fact, "tanning accelerators” are not approved by the FDA.
==Ingredients==
Some of the active ingredients found in common tanning lotions include melanin and L-Tyrosine. Other commonly found ingredients include tea oil, copper (in many different chemical compounds), green tea extract and many other natural oils. Indoor tanning lotions are usually designed to only use ingredients that will not cause damage or build up on acrylic surfaces. This is because all tanning beds use 100% acrylic in their protective shields. This is one reason people should not use outdoor tanning lotion in a tanning bed, as some common ingredients such as mineral oil (common ingredient in cosmetics, including some baby oil brands) will damage the surface of the acrylics.
''Tingle'' is a standard description for indoor tanning lotions that contain ingredients that increase blood flow at the skin level, or cause a "tingling" sensation.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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