Is it dangerous to use mineral oil as a lubricant for anal penetration? we do it bareback.

Anus was not made : For intercourse, that could lead to infection in both partners, can lead to rectal perforation or tears , bad hemm, can lead to incontinence of flatus and stool as the rectal sphincter can be damaged that would require very painful surgery to fix, that being said if u are going to ignore these warnings there are much better lubricants than mineral oil.