The efficacy of the Fitzpatrick scale even among white-skinned individuals has been argued to be questionable, since studies such as that on a Dutch student population have found it inadequate for categorizing, challenging its appropriateness for investigating the relationship between sunburn tendency and tanning ability.
The Fitzpatrick scale's Eurocentric orientation and its limitations in accurately representing global skin color diversity, along with similar biases in classifying other phenotypic traits, have been argued to require more inclusive and scientifically valid categorizations in dermatological and genetic research.
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Fitzpatrick, T. B. (1975). "Soleil et peau" [Sun and skin]. Journal de Médecine Esthétique (in French) (2): 33–34
Fitzpatrick, T.B. (1988), "The validity and practicality of sun-reactive skin types i through vi", Archives of Dermatology, 124 (6): 869–71, doi:10.1001/archderm.1988.01670060015008, PMID 3377516 /wiki/Doi_(identifier)
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Lasisi, Tina (2021-03-05). "The constraints of racialization: How classification and valuation hinder scientific research on human variation". American Journal of Physical Anthropology. 175 (2). Wiley: 376–386. doi:10.1002/ajpa.24264. ISSN 0002-9483. PMID 33675042. /wiki/Doi_(identifier)
Lasisi, Tina (2021-03-05). "The constraints of racialization: How classification and valuation hinder scientific research on human variation". American Journal of Physical Anthropology. 175 (2). Wiley: 376–386. doi:10.1002/ajpa.24264. ISSN 0002-9483. PMID 33675042. /wiki/Doi_(identifier)