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A
Improve grip only
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B
Protect both the client and cosmetologist and support infection control
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C
Add warmth
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D
Color the skin
Why this is the answer
Wearing gloves during waxing and other relevant services helps protect both the client and the cosmetologist and supports infection control, particularly because hair removal can sometimes cause minor skin lifting or contact with body fluids. Gloves create a barrier against cross-contamination and are part of standard precautions. They should be changed between clients and when contaminated. Using gloves appropriately in services that may involve skin contact or fluids is a routine safety practice consistent with the exam's infection-control emphasis.
Source: Skin & Nails — Gloves