04:07
Reactions
How Does Xanax Work?
We uncover the chemistry behind this popular and widely prescribed drug.
How Do Anti-Wrinkle Creams Work?
Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.
How Do Anti-Wrinkle Creams Work?
Season 4 Episode 16 | 4m 33s | CC
Skin can stay firm and stretchy thanks to protein fibers called collagen and elastin in the tissue beneath the surface. But environmental factors like smoking or ultraviolet rays from the sun can produce free radicals that damage skin cells’ ability to make more of these supports. Anti-wrinkle products claim they keep the skin surface fresh and rejuvenate these cells, but is it legit?
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