If you spend any time on TikTok, YouTube, or Pinterest, you’ve probably seen thousands of people talking about “slugging.” This Korean-inspired skincare technique has gone viral for one simple reason: it delivers dramatic overnight hydration using products you probably already own.
Slugging is easy, affordable, and suitable for many skin types — which makes it one of the most popular trends in the beauty world right now.
Here’s everything you need to know before you try it.
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What Is Slugging?
Slugging is a nighttime skincare method where you apply a thin layer of an occlusive product — usually petroleum jelly like Vaseline or a healing ointment like Aquaphor — as the final step of your routine.
This creates a protective barrier that prevents water loss and keeps your skin deeply moisturized while you sleep.
The term “slugging” comes from the shiny, glossy look the skin gets after applying the product — similar to a slug’s trail.
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How Does Slugging Work?
Throughout the day, your skin naturally loses moisture, especially if:
- You live in a dry or cold climate
- You use strong actives such as retinol or acids
- Your skin barrier is damaged
- Your skin type is naturally dry or dehydrated
- Slugging works by creating an occlusive layer that:
- Locks in moisture
- Reduces transepidermal water loss (TEWL)
- Supports the skin barrier
- Helps the skin repair itself overnight
- Enhances softness, elasticity, and glow
That’s why so many people say their skin feels smoother and looks more radiant by the next morning.
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Benefits of Slugging
Slugging has become popular because it actually works. These are the top benefits:
1. Deep, Lasting Hydration
Occlusives keep moisture in, helping dry skin appear healthier and plumper.
2. Stronger Skin Barrier
If your skin is easily irritated, flaky, or damaged from over-exfoliation, slugging can help restore it.
3. A Dewy, Glowy Finish
The morning-after glow is one of the biggest reasons this trend exploded on social media.
4. Perfect for Winter and Harsh Climates
Cold air can dry out your skin — slugging protects it.
5. Budget-Friendly
Even the simplest petroleum jelly works; you don’t need expensive products.
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Who Should Try Slugging?
Slugging is great for many people, but not everyone.
Ideal For:
- Dry skin
- Dehydrated skin
- Sensitive skin
- People using retinol or active exfoliants
- Skin with a compromised moisture barrier
Not Recommended For:
- Oily skin
- Acne-prone skin
- Skin that gets clogged easily
- Because occlusives can trap oil and cause breakouts in some individuals.
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How to Do Slugging (Step-by-Step)
Step 1: Cleanse Your Skin
Use a gentle cleanser to remove dirt, sunscreen, or makeup.
Step 2: Apply Hydrating Layers
Focus on lightweight hydration such as:
Hyaluronic acid
Niacinamide
A light moisturizer
These products will stay locked under the occlusive layer.
Step 3: Apply Your Occlusive
Use one of the following:
Vaseline Petroleum Jelly
Aquaphor Healing Ointment
CeraVe Healing Ointment
Apply a thin, even layer over your entire face.
Step 4: Sleep and Let It Work
In the morning, cleanse your face gently.
How Often?
2–3 times per week is enough for most people.
Very dry skin may benefit from 3–4 times weekly.
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Common Mistakes to Avoid
Applying slugging over retinol or acids directly
Using it every night if your skin is oily or combination
Applying too thick of a layer
Using it on unclean skin (which can clog pores)
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Frequently Asked Questions
Does slugging clog pores?
It can — especially for oily or acne-prone skin. Use a thin layer and monitor your skin’s response.
Can I slug every night?
Dry skin can, but most people only need it a few nights per week.
Is slugging safe for sensitive skin?
Yes, and it may even help repair a damaged barrier.
Can I use slugging with retinol?
Not directly. Use retinol on a separate night or layer moisturizer between retinol and the occlusive.
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Final Thoughts
Slugging is one of the easiest skincare methods that delivers real, visible results. It hydrates deeply, strengthens the skin barrier, and helps create a smooth, glowing complexion — all with one simple step.
If you're looking for a budget-friendly, dermatologist-approved technique that actually works, slugging might become your new nighttime favorite.
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