What is it?
Fitzpatrick scale can be define as numerical classification schema for human skin color.
Who invented it & when?
It was invented by Thomas B. Fitzpatrick in the year 1975. He was a Harvard Dermatologist.
What is the theory he used?
Initially he developed it on the base of eye & skin color but when it proved to be wrong, he altered the patient’s reports of how their skin responds to the sun i.e responding to ultraviolet rays (UV rays).
NOTE:- THE FITZPATRICK SCALE REMAINS A RECOGNIZED TOOL FOR DERMATOLOGICAL RESEARCH INTO HUMAN SKIN PIGMENTATION.
CATEGORIES OF FITZPATRICK SCALE:
- TYPE I (Score 0-6)- It always burns but never tans (pale white, blond or red hair,blue eyes & freckles).
- TYPE II (Score 7-13)- It usually burns but tans minimally( white, blond or red hair; blue, green or hazel eyes).
- TYPE III(Score 14-20)- Sometimes mild burn, tans uniformly ( cream white; fair with any hair or eye color).
- TYPE IV(Score 21-27)- It burns minimally, always tans well (moderate brown).
- TYPE V(Score 28-34)- It burn very rarely and tans very easily (dark brown).
- TYPE VI( Score 35-36)- It never burns and never tans (deeply pigmented dark brown or darkest brown).