Dictionary: Dermatologically Tested

Dermatologically Tested - Derma relates to the skin, whilst a Dermatologist is a Scientist that specialises in treating skin rashes, burns, irritations etc. Therefore, something that has been
Dermatologically Tested, has been tested on skin, by a professional Dermatologist, who has deemed the product safe for use.

There is, however, some speculation, about how vague the term is, and many believe that is unclear as to whether something that has been Dermatologically Tested was tested on human or animal skin.