Table 1.

Skin phototype classification according to the Fitzpatrick scale9

Phototype	Response to sun exposure	Typical minimal erythema dose (mJ/cm2 eff)a	Pigmentation scaleb
I	Always burns, never tans	15‐30	35‐50
II	Always burns, tans minimally	25‐35	51‐60
III	Burns moderately, tans gradually	30‐50	61‐75
IV	Burns minimally, tans well	45‐60	76‐85
V	Rarely burns, tans intensely	60‐100	86‐100
VI	Never burns, deeply pigmented skin	100‐120	101‐127

^aDose of UVA and UVB radiation.12

^bAs measured using a DermaTone Skin Analyzer™.13