Ingredient
Petrolatum
Petroleum jelly
A highly effective occlusive: it forms a barrier that substantially slows water loss. Cosmetic grades are refined to a standard set for that use.
- CAS 8009-03-8
What it is there to do
Occlusive
Forms a barrier that slows water loss from the surface.
Emollient
Softens and smooths by filling gaps between skin cells.
Where this comes up
The notes BeautySignal puts beside this ingredient when it is on a label.
- Contains mineral oils
This product contains a petroleum-derived oil or wax. Cosmetic grades are refined to a standard set for that use.
Why we mention it
A common preference, frequently confused with industrial-grade material. The distinction is worth stating plainly.
What we don't know
- Where it comes from — plant, mineral, synthetic — isn't recorded.
- No published rule in our reference names it. That is about the rules, not safety.
- How much of it is used in any particular product. We hold no concentrations at all.
Also written as
- Petroleum Jelly
- White Petrolatum
This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.