科学与环境
How does fake tan work, and why does it sometimes smell 'cookie-like'?
来源: Phys.org - latest science and technology news stories · 发布于
Real tans come from UV-triggered pigment production in living skin; that same UV exposure increases the risk of skin cancer.
Real tans come from UV-triggered pigment production in living skin; that same UV exposure increases the risk of skin cancer.
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