●  UVB  o  Make you tanned o  Redness, burns, skin cancer

●  UVA  o  Do not make you tanned o  Skin aging, DNA damage

SPF – sun protection factor

PA – protection grade of UVA

Broadspectrum sunscreen – covers UVA + UVB + PA ●  Combination of both (physical + chemical) ●  2 fingers rule –  cover whole face + neck + ears  ●  Suggest: min SPF 50+