Sunscreens Flashcards by Sarah Bernard

Q

What are the elements of the best sunscreen?

A

absorbs/scatters ‘broad spectrum’ UV radiation from 280nm thru 400nm.
photostable while out in the sun

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What does SPF measure?

A

UVB + erythema of skin

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What does PFA measure?

A

UVA + darkening of skin

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the critical wavelength for a broad spectrum claim?

A

> 370

How well did you know this?

1

Not at all

2

3

4

5

Perfectly