Mineral oils are excellent emollients/moisturisers for dry skin because they improve the barrier function, protect and soften while preventing irritation caused by the environment. They are neutral, inert fats with an excellent tolerance and are non-irritating. All Pierre Fabre Dermo-Cosmetics formulas containing mineral oils meet the rigorous standards of cosmetic regulations and ensure a high level of purity according to pharmaceutical standards. TriXera NUTRITION formulas do not contain mineral oil, but rather esterified oils of natural origin, which are lightweight, rich, and immediately melt upon contact with the skin.