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What was once a humble home remedy shared by grandmothers has transformed into one of the biggest skincare trends of the decade. Slugging, the practice of applying a thin layer of petroleum jelly or an occlusive balm as the final step of your nighttime routine has taken over social media, with celebrities, influencers, and dermatologists alike weighing in. Originally used to heal cracked skin and prevent moisture loss during harsh winters, slugging is now being hailed as a skincare savior for repairing the skin barrier, locking in hydration, and achieving that dewy, glass-skin glow. But as experts point out, this trend isn’t a one-size-fits-all miracle, it’s effective only when done mindfully and on the right skin type. An Old Trick with a Modern Twist Dr Mili Sinha, Aesthetic Physician, La Clinique and Expert, Oteria, slugging is more than just layering Vaseline before bed. “Slugging might be a traditional method, but it only works when executed correctly at the right time, particularly overnight, and on the right skin type,” she explains. “Used as the final step in your skincare routine, it creates a protective layer that reduces transepidermal water loss (TEWL), allowing the skin to stay hydrated and repair itself as you sleep.” She adds that this simple barrier “locks in moisture and strengthens the skin’s outer layer,” helping it remain smooth, supple, and resilient. What Makes It So Popular and Risky So, why is everyone suddenly obsessed with this old-school hack? Dermatologists agree it’s the promise of simplicity and visible results that has made slugging go viral. Dr Bhawuk Dhir, Consultant Dermatology, PSRI Hospital, Delhi, explains, “Slugging is a skincare trend that’s caught on in India because it’s accessible, all you need is a small amount of petroleum jelly or balm. It’s particularly beneficial for people with dry, sensitive, or compromised skin barriers,” he says. However, he cautions that not everyone’s skin will thank them for it. “Those with oily or acne-prone skin should be careful, as heavy occlusives can trap sebum and bacteria, leading to clogged pores or breakouts.” In other words, slugging can be your best friend or your biggest skincare mistake depending on your skin type and what products you layer underneath. The Indian Connection Interestingly, the concept of slugging isn’t new to Indian households. Dr. Shweta Nakhawa, Consultant Dermatologist, KIMS Hospitals, Thane, points out that similar methods have existed for generations. “Applying a thin layer of petroleum jelly over skincare isn’t new,” she says. “Our grandmothers used malai or ghee in the same way to lock in moisture and soothe dry skin. Slugging works by sealing in hydration and strengthening the skin barrier, especially for those with dryness, flakiness, or post-treatment sensitivity.” But she, too, stresses caution. “Avoid slugging if you have oily or acne-prone skin, and never layer it over active ingredients like retinol or acids, these can get trapped and cause irritation. When done mindfully, slugging revives dull, stressed-out skin, leaving it dewy and calm.” The Bottom Line: Slug Smart Slugging isn’t about coating your face in petroleum jelly and hoping for the best. It’s about creating a controlled environment for your skin to heal overnight especially in dry climates or during seasonal transitions. When done correctly, it can transform rough, dehydrated skin into a soft, glowing complexion. But misuse can clog pores, trigger acne, or worsen irritation. As Dr. Sinha puts it, “Slugging isn’t for everyone, it’s for those who understand their skin.” Pros and Cons at a Glance Intense Hydration: Locks in moisture overnight, leaving skin plump, radiant, and nourished. Strengthens the Skin Barrier: Helps repair the skin’s natural defenses against dryness, irritation, and pollutants. Boosts Product Absorption: Enhances the effect of hydrating serums and creams applied beneath. Soothes and Heals: Perfect for dry or sensitive skin, promoting smoother texture with regular use. Disadvantages Can Clog Pores: The thick barrier may trap oil and bacteria, causing breakouts. Not for Oily Skin: May worsen greasiness and congestion. Interacts Poorly with Actives: When layered over retinol or acids, can cause irritation. Messy Application: The heavy consistency may stain pillows or feel uncomfortable for daily use. The Takeaway Slugging may be trending, but it’s more than an internet fad, it’s a revival of an old ritual, reimagined with modern science. When tailored to your skin’s needs and used correctly, it can bring back your glow without fancy serums or complex routines. As Dr Dhir sums up, “Sometimes, the simplest skincare steps are the most effective provided you know when to stop.”
