petroleum jelly

Petroleum jelly, petrolatum (), white petrolatum, soft paraffin, or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25), commonly promoted as a topical ointment for its healing properties. Vaseline has been the dominant brand of petroleum jelly sold since 1870.
After petroleum jelly became a medicine-chest staple, consumers began to use it for cosmetic purposes and for many ailments including toenail fungus, genital rashes (non-STI), nosebleeds, diaper rash, and common colds. Its folkloric medicinal value as a "cure-all" has since been limited by a better scientific understanding of appropriate and inappropriate uses. It is widely recognized as a skin protectant and is in common use for cosmetic skin care, where it is often loosely referred to as mineral oil.

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