Ingredient · INCI listed
Petrolatum
Petrolatum (petroleum jelly) is the most effective occlusive available — it reduces transepidermal water loss by 99%. Despite its simple appearance, it's one of the most evidence-backed moisturizing ingredients in dermatology.
Evidence — Well-established
Data summary
Products containing
48
Most common in
23 products
body cares
Typical pairing
Glycerin
Evidence level
Well-established. Used in medical and dermatological settings for over a century. Cosmetic-grade petrolatum is highly refined and non-comedogenic for most people, despite common misconceptions.
Verified reviewer
Where it shows up
