Sunscreens protect the skin by using that absorb, scatter, or reflect ultr...

Sunscreens protect the skin by using

antioxidants

emollients

UV filters

moisturizers

that absorb, scatter, or reflect ultraviolet (UV) radiation.

The SPF rating of a sunscreen primarily indicates its protection level against

UVB

UVA

visible light

infrared

radiation.

Physical (inorganic) sunscreen agents, such as zinc oxide and titanium dioxide, protect the skin by

reflecting and scattering

converting

transmitting

absorbing

UV radiation.

Chemical (organic) sunscreen agents protect the skin by

scattering

transmitting

reflecting

absorbing

UV radiation and converting it into a small amount of heat.

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