ka8 skincare

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Last updated 3:40 PM on 4/30/26
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6 Terms

1
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what is uv light

uv light is high energy that can break bonds between molecules

2
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what does uv light cause

cancer

ageing

sunburn

3
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what is a free radical and how are they created

a free radical is a molecule with unpaired electrons and they are formed when uv light breaks bonds

4
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what is a free radical scavenger

a molecule that reacts with a free radical to form a stable molecule

5
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what are the 3 free radical chain reactions

initiation

propagation

termination

6
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what are free radical scavengers added to

cosmetics

plastics

food products