01
Petrolatum is the most effective occlusive in studies of TEWL reduction.
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SKINCARE
• BACKED
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RESEARCH
- Sealing skin with petrolatum overnight reduces water loss for dry/compromised skin.
COMMUNITY
- A favorite for winter or post-retinoid nights, though people joke about the messy pillowcase tradeoff.
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SAFETYCan trap oil and worsen breakouts on acne-prone skin — patch test before making it a nightly habit.
WHAT THE RESEARCH SAYS
ALL 22 ON PUBMED ↗02
Most useful in winter, post-procedure, or with eczema-prone skin.
view on pubmed ↗03
Not recommended for acne-prone skin without testing first.
view on pubmed ↗WHAT PEOPLE SAY
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COMMENTS
Add context that might help others — skin type, conditions like PCOS, what you'd tried before. The more specific, the more useful.
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