Petrolatum
No Known RisksHighly refined petrolatum (petroleum jelly) is a skin protectant/occlusive with minimal dermal penetration; safety depends on refining/PAH impurity controls and cosmetic/medical grades meet established standards.
Sources: USP White Petrolatum monograph (2021); Petry et al., Food and Chemical Toxicology (2017); PubMed (dermatology review)





