What Is Slugging Skincare? The Best Hydration Hack Explained

Editor: Kirandeep Kaur on Nov 17,2025

Whether you have been looking for a deeper hydration routine or one that can help combat the symptoms of dry skin, if you're at all interested in skincare, you've probably asked yourself this summer: What is slugging skincare? This viral hack for hydration seals in nourishment during sleep and finds itself an essential ingredient in a myriad of modern nighttime routines. Paired with the petroleum jelly benefits, slugging is fast becoming a ritual for anyone desiring smoother, healthier, and more radiant skin-and not just for those with dryness either.

What Is Slugging Skincare? Understanding the Hydration Hack

So, exactly what is slugging skincare, and why did this method take over dermatology conversations, social media feeds, and beauty editorials? Slugging is a skincare technique where you apply an occlusive product-most commonly petroleum jelly-over your nighttime routine to seal in moisture. This straightforward yet effective step will prevent transepidermal water loss, so the skin will remain hydrated overnight. 

What more could you want - slugging is an easy and affordable step that is grounded in science. 

Combine it with the right moisturizers, serums, and a nighttime routine, and this little trick creates a protective barrier that helps repair the skin's moisture barrier and supports healthier, plumper skin by morning.

What is slugging skincare at its most basic level? It is a method for locking in moisture that transforms dehydrated, irritated skin into smoother and softer skin. Slugging gives great results, whether for seasonal dryness, a damaged barrier, or if you just want to amplify moisture retention.

Why It Works: The Science Behind The Trend-Moisture Sealing

The power of slugging lies in moisture sealing, a proven technique that prevents hydration from evaporating out of the skin. Moisture sealing allows your skincare products-especially humectants like hyaluronic acid-to be more effective.

How Moisturizers Help Skin Health

Strengthens the moisture barrier

Consistent moisture sealing helps your barrier recover from irritation, over-exfoliation, and weather-related dryness.

Improves absorption of products

It locks in serums and moisturizers, which helps the skin absorb nutrients more effectively.

Immediately reduces dryness

Slugging, because of the boost in hydration, is an ideal dry skin remedy for those who struggle with chronic flakiness.

Enhances nighttime repair

Since your skin regenerates while you sleep, combining moisture sealing with your nighttime routine lets your products work at a deeper level.

Since moisture sealing is the backbone of slugging, it's no surprise the trend blew up among skincare enthusiasts looking for easy, transformative results.

The Petroleum Jelly Benefits that make Slugging so Effective 

woman having petroleum jelly on her fingers

At the core of slugging lies a petroleum jelly-based skin care routine, many benefits of which dermatologists have supported for decades. Petroleum jelly is considered an occlusive that provides a thin layer of protection to the skin, but it does so without suffocating the skin.

Top Petroleum Jelly Benefits

Prevents water loss.

This is the heart of slugging: petroleum jelly traps hydration in the skin all night long.

Suitable for most skin types 

Despite its widespread belief, when properly applied, it is not comedogenic and does not clog pores. 

Repairs irritated or damaged skin 

Its reparative properties make it a preferred remedy for dry skin in cold winters.

Balances overly dry skin

Perfect for those experiencing dryness due to retinol, acne treatments, and exfoliants.

These effective petroleum jelly advantages highlight why slugging is viewed as a dependable hydration hack that's completely effective. 

How to Incorporate Slugging in Your Nighttime Routine 

Understanding what slugging skin care is not sufficient; applying it to your nighttime routine is where the real change happens. 

1. Start With a Clean Base

Wash away dirt, SPF, and makeup using a gentle cleanser. A clean base ensures that moisture sealing can do its thing—and that you aren’t trapping any impurities.

2. Apply your Hydrating Products

Use your lightweight hydrators: 

  • Hyaluronic acid
  • Peptides
  • Glycerin-based moisturizer

These will help supercharge hydration before sealing it in. 

3. Apply a barrier-focused moisturizer

A cream based on ceramides reinforces the moisturizing barrier and prepares the skin for slugging.

4. Use a thin layer of Vaseline

This part of the hydration hack brings you full circle. Use a pea-sized amount throughout the entire face, increasing the amount and frequency if your skin is dry.

5. Wake Up to Hydrated, Dewy Skin

Combining moisture sealing with overnight repair results in skin that visibly looks fresher and smoother by morning.

Who Should Try Slugging as a Dry Skin Remedy?

Slugging works wonders for most skin types, but it is extremely beneficial in the case of some. Here's who benefits most:

Great for:

Dry and flaky skin

This hydration hack will serve as a surefire dry skin remedy throughout the year.

Damaged moisture barrier

Slugging helps to calm down your skin if it feels tight or irritated.

Mature skin

Moisture sealing helps plump fine lines, improving elasticity.

Cold climates

Harsh winters have amplified dryness; slugging provides strong protection.

Not ideal for:

Active acne or fungal acne

In such cases, occlusion has the potential to exacerbate breakouts.

Very oily skin

Heavy occlusives can feel uncomfortable for oily skin types.

If dryness is your major concern, slugging may be the most effective yet affordable dry skin remedy you could ever try.

Common Myths About Slugging: What You Should Know

As slugging has gained popularity, so have the myths surrounding it. Let's clear them up.

Myth 1: Petroleum jelly clogs pores

High-quality petroleum jelly is non-comedogenic, meaning it does not clog pores; its molecular structure is too large to penetrate the skin.

Myth 2: Slugging is only for winter

While it does shine as a winter dry skin remedy, it can be used all year round for barrier healing.

Myth 3: Slugging replaces moisturizers

Slugging supports your moisturizers, not replaces them. Hydration needs to be applied underneath for moisture sealing to work.

Myth 4: Everyone needs to slug nightly

Most people do it 1-3 times a week, depending on the level of dryness.

Knowing what slugging skincare means, understanding both the hype and the reality-and the reality is that it works when used correctly.

A Step-by-Step Nighttime Routine With Slugging

If you want to maximize petroleum jelly benefits using a hydration-focused nighttime routine, follow this simple ritual:

Your Ideal Slugging Routine:

  • Cleanser
  • Hydrating serum, 
  • Barrier cream 
  • slugging layer (petroleum jelly). 

This routine supports hydration, provides moisture sealing, and acts as a potent remedy for dry skin. 

Why Slugging Is the Ultimate Hydration Hack 

Understanding what slugging skincare means, recognizing that it is so much more than a trend-it's a simple, science-backed technique that supports long-term skin health. Regardless of your concerns—dry patches, sensitivity, flakes, or a damaged moisture barrier—slugging will offer a restorative boost overnight. 

Here’s what makes it one of the most popular hydration hacks:

  • It locks in moisture for hours.
  • It allows active ingredients to penetrate the skin more effectively.
  • It provides moisture and protects skin during overnight repair.
  • It strengthens the moisture barrier.
  • It helps the skin look and feel more hydrated, plump, and healthy.
  • If you ever feel like your skincare routine is missing something, or if your skin needs more moisture, you'll want to keep using a slugging product.

Final Thoughts: Should You Try Slugging? 

Whether you've ever wondered what slugging skincare is or if it actually works, the answer's simple: yes, as long as your skin needs moisture support. This hydration strategy combines moisture sealing with the reliability of petroleum jelly, as well as a nighttime protocol that has true restorative power to produce visible, real results for your skin. Whether dealing with dryness, irritation, dullness, or a impaired moisture barrier, slugging is beneficial in all areas. Best of all? It's affordable, simple, beginner-friendly, and effective.


This content was created by AI