Phototype reproducibility and relation to objectively measured skin sensitivity is best when burn and tan reactivity to sun are answered separately.
Giedre BieliauskienePeter Alshede PhilipsenHans Christian WulfPublished in: Photodermatology, photoimmunology & photomedicine (2018)
The detailed questionnaire with separate answers to 2 detailed questions about tendency to burn and ability to tan has good reproducibility, correlates best with objective skin measurements and is therefore the recommended method for determining skin phototype.