Skin types
Skin is often categorised into 'types'. Type 1 is the fairest and most likely to burn and type 6 is the darkest and least likely to burn.
Fitzpatrick scale of skin types
Type 1 - always burns, never tans, sensitive to exposure, redheaded, freckles
Type 2 - burns easily, tans minimally, fair skinned with blue, green or gray eyes
Type 3 - burns moderately, tans gradually to light brown
Type 4 - burns minimally, always tans well to moderately brown, olive skin
Type 5 - rarely burns, tans profusely to dark brown, brown skin
Type 6 - rarely burns, least sensitive, deeply-pigmented skin
