Cosmetics-grade mineral oil and petrolatum are considered the safest, most non-sensitizing moisturizing ingredients ever found. Mineral oil and petrolatum are known to be efficacious in skin replenishing and are also among the most effective, established moisturizing ingredients available.
The mineral oil in skincare products is certified as either USP (United States Pharmacopeia) or BP (British Pharmacopeia). It’s completely safe, soothing, non-sensitizing, and perfectly beneficial for skin.
References for this information:
International Journal of Cosmetic Science, 2012, issue 6, pages 511-518
International Journal of Cosmetic Science, 2007, issue 5, pages 385-390
European Journal of Ophthalmology, 2007, issue 2, pages 151-159
Food and Chemical Toxicology, February 1996, issue 2, pages 213-215
Source: Paula´s Choice.