Ultraviolet radiation, pollution and toxin are harming the skin all the time, the best way is building a safe defensive line for skin inside-out, let skin cell grow in a healthy and safe environment.

紫外线、污染、毒素时时刻刻在伤害着皮肤，最好的办法就是内外结合为肌肤建立一道安全防线，让肌肤细胞在健康安全的环境中成长。

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These breaks can, for instance, be caused by ultraviolet light or X-rays, but also occur during cell division, when DNA molecules split and form two new DNA molecules.

这些断裂可由于紫外照射或X射线引起，同时也可在DNA分子一分为二的细胞分裂过程中发生。

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Objective to analyze the curative effect and nursing of the ultraviolet ray treatment meter in oral mucositis after Hematopoietic Stem Cell Transplantation.

目的观察紫外线治疗仪治疗造血干细胞移植病人口腔粘膜炎的疗效。

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Using this technique doubled the efficiency of Dr Kamat's cell from 5% to 10% at ultraviolet wavelengths and he reckons it would create similar increases in efficiency in both plastic and dye-based cells.

ECONOMIST: Improved devices may make better use of sunlight

Today the agency proposed a new requirement that, if finalized, will require warnings on the use of ultraviolet light-emitting tanning beds by individuals under age 18 because of the increased risk of melanoma, squamous cell carcinoma, eye damage, and premature skin aging.

FORBES: If Tanning Beds Were A Drug, They'd Be Illegal