Glow Definition
Slugging in skincare refers to the final step in a nighttime routine where an occlusive — most often a thick balm or ointment — is applied as a top layer to help prevent water loss overnight. The term gets its name from the glossy, “slug-like” finish it leaves on the skin. While the look may be dewy or dramatic, the purpose is practical — it helps create a seal that sits on top of earlier skincare steps.
Most commonly associated with petroleum jelly-based products, slugging can also be done with modern alternatives that feel lighter but offer similar surface coverage. Though it doesn’t add hydration on its own, slugging is a technique designed to support the routine underneath it — making it a flexible method for nights when your skin care feels especially layered, vulnerable, or in need of reinforcement.
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Why It Matters
Slugging isn’t about transforming your skin overnight — it’s about reinforcing the work you’ve already done. When you’ve taken time to apply hydrating serums, nourishing moisturizers, or barrier-supportive layers, slugging acts like a final coat that helps preserve the environment you’ve just created. It can be especially useful during colder months, after exfoliation, or in routines focused on repair and recovery.
Because it doesn’t absorb into the skin, slugging offers a kind of “pause” at the end of your lineup. It helps prevent products from evaporating too quickly and can offer a more cushioned, insulated feel by morning. While it’s not something every routine needs daily, it’s a technique that adds intention — and sometimes indulgence — when your skin feels like it needs an extra layer of care.
GLOW TIP Use slugging as the final step only after lighter layers are fully absorbed — timing makes the difference between a dewy seal and a slippery mess.
Why We Love It For Glow
Slugging in skincare has earned its moment in the glow world not because it’s trendy, but because it simplifies the idea of sealing things in. When your skin is feeling parched, tight, or just over it, this step can act like a pause button — letting your routine do its job without adding more to the mix.
We love how it encourages a slower, more thoughtful rhythm. You’re not chasing glow with more products — you’re protecting what you’ve already applied. That kind of patience fits right into a ritual-first approach — especially on nights when you want your skincare to feel like a reset, not a project.
Reach for Aquaphor Healing Ointment — a widely loved classic that helps seal in moisture without added fragrance or complexity.
This ointment’s thick, balm-like texture melts down gradually and creates a cushion over skincare layers. Ideal for nights when your skin needs time to recalibrate.
FAQ
What does slugging in skincare do for your skin barrier?
Slugging acts as an occlusive layer in your routine, helping to reduce water loss by sealing in your previous skincare steps. It’s especially popular when skin feels dry, compromised, or over-exfoliated — offering a way to support barrier recovery without adding complexity.
When should you use slugging in your skincare routine?
Slugging is typically used at night as the final step in your routine, layered over hydrating or treatment products. While it’s not an everyday ritual for everyone, it’s often brought in seasonally or during periods of skin stress when extra protection is needed.
Is slugging good for sensitive or acne-prone skin?
Slugging can be adapted to different skin types, but not all occlusives are ideal for everyone. If you’re prone to congestion or breakouts, look for lightweight options like squalane or mineral-based balms, and limit frequency to avoid buildup.