Hello, everyone! Have you heard about “slugging”? 🐌 It’s one of those viral skincare trends that’s taken over TikTok and skincare forums over the last couple of years. But what do real dermatologists think about it in 2025? Is it just another trend, or does it have scientific backing? In today’s post, we’ll dive deep into what medical experts are saying now, how the method works, who should or shouldn’t try it, and how it compares to other skincare routines.
What is Slugging?
Slugging is a skincare technique that involves applying a thick layer of occlusive agent—most commonly petroleum jelly—at the end of your nighttime routine. The term “slugging” comes from the shiny, slick appearance the skin takes on, resembling the look of a slug's trail.
The goal is to lock in moisture and prevent transepidermal water loss (TEWL). It’s especially popular among those dealing with dry or compromised skin barriers. The practice originated in Korean beauty routines and has since gained massive popularity in Western skincare culture.
In essence, slugging acts like a seal, helping your skin retain the benefits of previous steps in your skincare routine. While once controversial, it has been largely embraced by online skincare communities.
Dermatologists' Perspective in 2025
As of 2025, most board-certified dermatologists recognize the value of slugging—but with caution. Many experts emphasize that slugging is not for everyone and should be tailored to specific skin needs.
According to Dr. L. Morris, a clinical dermatologist in Boston, “Slugging is effective for those with eczema, dry skin, or barrier damage. However, it can cause breakouts in people with acne-prone or oily skin.”
Several dermatologists now recommend slugging 1–2 times a week instead of daily, as overuse can lead to clogged pores. The general consensus is that slugging works best as an occasional treatment rather than a nightly ritual.
Also, 2025 has seen more refined formulations that offer occlusive benefits without the heavy, pore-clogging effects of pure petrolatum—opening the door for more skin types to participate.
Skin Types That Benefit Most
Not all skin types react the same to slugging. Here's a breakdown of who benefits—and who might want to skip:
- Dry or Dehydrated Skin: Best results! Slugging helps seal in moisture overnight.
- Compromised Skin Barrier: Conditions like eczema or sensitivity due to over-exfoliation can improve.
- Normal Skin: Occasional use can help prevent seasonal dryness, especially in winter.
- Oily or Acne-Prone Skin: Usually not recommended. Occlusives can trap sebum and exacerbate breakouts.
Tip: Always patch test before trying slugging and avoid active breakouts.
How Slugging Compares to Other Methods
| Method | Function | Best For | Risk Level |
|---|---|---|---|
| Slugging | Locks in moisture with occlusion | Dry or damaged skin barrier | Moderate (if overused) |
| Sheet Mask | Hydration and nutrients via serum-soaked cloth | Most skin types | Low |
| Oil Sealing | Uses plant-based oils to retain hydration | Combination to dry skin | Low to moderate |
While slugging is effective, it's not the only moisture-retaining method available. Depending on your skin's needs, lighter alternatives may work just as well—or better.
How to Safely Try Slugging
If you’re curious about trying slugging in 2025, here’s a safe step-by-step routine that most dermatologists recommend:
- Cleanse your face thoroughly with a gentle cleanser.
- Apply your serums and moisturizers as usual—don’t skip hydration steps.
- Take a small amount of occlusive (like petrolatum or a new-generation hybrid balm) and apply a thin layer over your skin.
- Leave on overnight and rinse off in the morning.
Important: Avoid using slugging over active ingredients like retinoids or exfoliating acids, as it can increase irritation.
Pro Tip: Limit slugging to 1–2 times a week unless otherwise advised by a skincare professional.
Frequently Asked Questions
Is slugging safe for sensitive skin?
Yes, if done correctly and with gentle products. Always patch test first.
Can I use slugging every night?
Dermatologists generally recommend it 1–2 times per week to avoid clogged pores.
Will it make me break out?
It can if you have oily or acne-prone skin. Avoid if you're prone to congestion.
What products should I avoid with slugging?
Skip retinoids, AHAs, and BHAs as they can cause irritation when trapped under occlusives.
Is Vaseline the only product I can use?
No. Many brands now offer alternatives designed for slugging with added skincare benefits.
Should I wash it off in the morning?
Yes. Use a gentle cleanser to remove the occlusive and start your daytime skincare fresh.
Final Thoughts
Slugging has proven to be more than just a trend—it’s a valid skincare technique when used responsibly. Dermatologists in 2025 largely agree that while it’s not for everyone, it can offer deep hydration and skin barrier repair for the right skin types.
Have you tried slugging? Share your experience in the comments below!
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