Key Features White Soft Paraffin (14.5% w/w): A heavy mineral oil occlusive that prevents moisture loss and blocks irritants. Light Liquid Paraffin (12.6% w/w): A lighter mineral oil that softens the skin and makes the cream easier to spread. Anhydrous Lanolin (1% w/w): A highly purified, hypoallergenic form of lanolin (often called Medilan) that deeply hydrates and softens.