Liquid paraffin, also known as paraffinum liquidum, is a very highly refined mineral oil used in cosmetics and for medical purposes. This is a UK definition and the term may have different uses in other countries. The cosmetic or medicinal liquid paraffin should not be confused with the paraffin used as a fuel
Liquid paraffin is considered to have a limited usefulness as an occasional laxative, but is unsuitable for regular use as it can seep from the anus and cause irritation.
There are evidences suggesting the lack of carcinogenicity