The glossy glow of slugging - day or night
Slugging 101: The Glossy Skincare Trend Worth Trying (Even in Daylight)
Slugging. It's the skincare trend that sounds like a dare and looks like a jelly mask. TikTok made it famous, dermatologists gave it a nod, and I... took it to the streets. Literally. I slugged my face in broad daylight and documented every glossy moment.
If you've ever woken up with parched skin or struggled with irritation, slugging might be your answer. This technique, rooted in K-beauty and dermatology, uses an occlusive layer (usually petrolatum-based) to seal in your skincare and prevent moisture loss.
Skeptical? I was too. But after testing it publicly—yes, with stares from strangers—I'm convinced. Here's everything you need to know about slugging, from the science to the social experiment.
✨ What Is Slugging?
Slugging is a skincare technique where you apply an occlusive product (like petroleum jelly) as the final step to lock in moisture and strengthen your skin barrier. It's a simple, affordable hack for hydration—day or night.
In This Article:
The gold standard for slugging
Vaseline Original Petroleum Jelly
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✅ 100% Pure Petrolatum: No additives or fragrances that could irritate skin
✅ Clinically Proven: Locks in moisture for up to 8 hours
✅ Multi-Use: Works for face, lips, cuticles, and dry patches
Vaseline is the original slugging product—simple, effective, and affordable. While it creates a noticeable shine, it's completely non-comedogenic when used properly (just a pea-sized amount!). Perfect for those who want to try classic slugging without extra ingredients.
Dermatologist-recommended alternative
CeraVe Healing Ointment
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✅ Ceramide-Infused: Contains skin-repairing ceramides (3 essential types)
✅ Lighter Texture: Less greasy than pure petrolatum
✅ Hyaluronic Acid: Adds hydration beneath the occlusive layer
This dermatologist favorite is ideal for those who want the benefits of slugging with extra skin-barrier support. The ceramide blend makes it particularly good for sensitive or eczema-prone skin. While still occlusive, it absorbs slightly better than Vaseline for daytime use.
Key Benefits
Why Slugging Matters
Your skin barrier—the hero protecting you from pollution, dryness, and irritation—thrives on hydration. When you slug, you create a protective shield that helps repair and plump your skin overnight (or, in my case, during a park stroll).
✨ Barrier Repair: Petrolatum creates a physical barrier that prevents transepidermal water loss (TEWL), giving your skin time to heal itself.
✨ Enhanced Product Absorption: By sealing in your serums and moisturizers, slugging helps active ingredients work more effectively.
✨ Cost-Effective: A $5 jar of petrolatum can outperform many high-end moisturizers for dry skin relief.
Ideal For:
• Dry, flaky, or dehydrated skin types
• Those recovering from retinol irritation
• Cold weather skincare routines
• Anyone wanting to maximize their moisturizer's effects
Things to Consider
⚠️ Not for Active Breakouts: While petrolatum itself won't clog pores, trapping bacteria beneath it could worsen acne.
⚠️ The Gloss Factor: Daytime slugging leaves a noticeable shine—best for low-key days or under makeup if you're skilled.
⚠️ Pillowcase Hazard: Nighttime slugging can transfer onto bedding—use an old pillowcase or protective towel.
Pro Tip:
Apply your occlusive to damp skin for maximum hydration. The "slug" layer should be the final step after all other products (cleanser → treatment → moisturizer → petrolatum).
The Story Behind Slugging
Slugging isn't new—it's been a staple in Korean skincare for decades, where it's called "sealing." The term "slugging" came from the shiny, slug-like finish it leaves. Dermatologists have long recommended petrolatum for wound healing (it's been used in hospitals since WWII), but social media turned it into a cult skincare step.
"Petrolatum remains the most effective moisturizing agent on the market, reducing water loss by up to 98%." — Journal of Investigative Dermatology
Today's slugging trend merges this medical-grade ingredient with self-care rituals. My public experiment proved you don't need to wait for bedtime—when done right, that glossy layer can be both treatment and confidence booster.
Frequently Asked Questions
Q: Can slugging cause breakouts?
A: Not if done correctly. Use a pea-sized amount and avoid slugging over active acne. Petrolatum is non-comedogenic, but trapping bacteria beneath it could cause issues.
Q: Is Vaseline the only product for slugging?
A: No! Alternatives like CeraVe Healing Ointment or Aquaphor work too. Some prefer these for their added ceramides or lighter texture.
Q: How often should I slug?
A: 2–3 times a week is ideal for most skin types. Daily use may be too heavy unless you have extremely dry skin.
Q: Can I slug if I have oily skin?
A: Yes, but sparingly. Focus on dry areas only (like cheeks) and use a minimal amount. Avoid the T-zone if you're prone to breakouts.
Q: Does slugging replace moisturizer?
A: No—apply it after moisturizer to seal everything in. Think of it as the final protective layer.
Q: Should I slug in the morning?
A: You can! Just be prepared for the glossy finish. Some mix a tiny amount with sunscreen for a dewy look.
Final Thoughts
Slugging is the ultimate skin hack: affordable, effective, and oddly empowering (yes, even in public). Whether you're repairing dryness or just curious, give it a try—start with a thin layer and see how your skin responds.
For first-timers, I recommend starting with Vaseline to experience classic slugging. If you prefer something with skincare benefits, CeraVe's Healing Ointment is worth the splurge.
Tried slugging? Share your glossy selfies or questions below—I'd love to hear your experiences, or explore more guides right here.
Important Disclosures
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Medical Disclaimer: While slugging is generally safe, consult with a dermatologist if you have severe acne or skin conditions. Individual results may vary.