Your Winter Skincare Routine: How to Support Your Skin Barrier From the Inside Out

Your skin barrier is made up of skin cells held together by lipids (natural fats). Think of it like a brick wall: the cells are the bricks, and the lipids are the mortar. When the mortar is intact, moisture stays in and irritants stay out. When it's compromised, water escapes faster than your skin can replace it. This process is called transepidermal water loss, or TEWL.

In winter, several things work against your barrier at once. Cold outdoor air holds less moisture. Indoor heating drops humidity further, often below 30 percent when 40 to 60 percent is where your skin is most comfortable. Hot showers feel good but strip barrier lipids. And if you're already using products that are even slightly too harsh, the cold makes that worse.

The result is skin that feels tight after cleansing, looks duller than usual, and may flake or feel sensitive to products it normally tolerates fine. These aren't signs that your skin is broken. They're signs that your barrier needs more support than it's currently getting. To understand more about how your barrier works and why it matters, this article on barrier function is a good place to start.

The first place I look when someone's skin struggles in winter is their cleanser. A cleanser that works well in summer can strip too much in the cold months when your barrier is already under pressure. You want something that cleans without disrupting your skin's natural pH or removing the lipids you need to hold moisture in.

The Dermalogica Magnetic[+] Afterglow Cleanser is one I reach for often in winter. It contains glycerin and jojoba oil, which means it cleans without leaving that tight, stripped feeling. If your skin is more reactive or sensitive in the cold, the UltraCalming Cleanser or Special Cleansing Gel are gentler options worth considering. Choosing the right cleanser is genuinely one of the most important steps in any routine, and winter is when it matters most.

After cleansing, the goal is to hold water in the skin before it escapes. Apply your serum or treatment to slightly damp skin within three minutes of cleansing. This is the window where your stratum corneum (the outermost layer of skin) is most hydrated and most able to absorb what you put on it. For winter hydration, I like the Circular Hydration Serum.

For overnight repair, the Dermalogica Biolumin-C Night Restore Serum combines vitamin C (as aminopropyl ascorbyl phosphate), tranexamic acid. And lactic acid to support skin renewal while you sleep. If you're using a retinoid serum like Dynamic Skin Retinol Serum, winter is when I'd suggest buffering it with moisturiser to reduce the chance of irritation on a more sensitive barrier.

Then seal everything in. Super Rich Repair is Dermalogica's richest moisturiser and is well suited to dry or very dry skin in winter. If that feels like too much, Skin Smoothing Cream or Intensive Moisture Balance both provide solid barrier support with a lighter texture. And SPF every single day, without exception.

Australian winter UV still reaches a UV Index of 3 to 5, which is enough to cause cumulative damage. The Dermalogica Dynamic Skin Recovery SPF50 is a hydrating SPF that layers well under makeup and works as your daytime moisturiser and sun protection in one step. If you prefer a mineral option, Invisible Physical Defense or Prisma Protect are both worth looking at. For more on why SPF matters year-round, this article covers it well.

This is the one I want to address directly because I see it go wrong so often. When skin looks dull and feels rough in winter, the instinct is to exfoliate more. More scrubs, more acids, more frequency. I understand the logic, but for most people it makes things worse.

Your barrier is already working harder in the cold. Harsh scrubs or daily exfoliation remove the very lipids you're trying to protect. The result is more sensitivity, more redness, and more dryness, not less. Most skin needs far less exfoliation in winter than people think.

If you do exfoliate, keep it gentle and infrequent. Once or twice a week with something like Daily Microfoliant is usually enough. Focus on protecting the barrier first. Once it's stable and comfortable, you can reassess whether more exfoliation is even needed.

Topical skincare does a lot, but it can't do everything. Your skin is built from the inside, and certain nutrients matter more in winter when your skin is under extra stress. I'll be honest here: supplements support a good routine, but they don't replace one. Think of them as filling gaps, not doing the heavy lifting.

Marine collagen, like Vida Glow, provides amino acids that support your skin's structural proteins. Collagen is the scaffolding that keeps skin firm and resilient. Your body makes it naturally, but production slows with age and stress. A quality marine collagen supplement can help maintain what your skin needs to repair itself overnight.

The Advanced Nutrition Programme range is another one I recommend often. Their Skin Omegas+ are particularly relevant in winter because essential fatty acids (omega-3 and omega-6) are key building blocks of the lipid mortar in your barrier. If your diet is low in oily fish, flaxseed, or walnuts, your barrier may be missing some of the raw materials it needs to repair. Skin Vit A+ supports cell turnover and barrier integrity from within.

And water. I know it sounds basic, but it matters. Indoor heating is dehydrating, and many people drink less in winter because they're not as thirsty. Your skin shows it. Aim for consistent hydration throughout the day, not just when you feel thirsty.

This one surprises people, but the makeup you wear in winter can either support your skincare or work against it. Heavy, occlusive makeup formulas can sit on top of your barrier and prevent your skincare from doing its job. They can also feel uncomfortable on dry, sensitive winter skin.

Mineral makeup, like the ranges from Jane Iredale and Youngblood, sits differently on skin. The formulas are lightweight and allow your skin to breathe and continue absorbing the skincare underneath. They also tend to feel more comfortable on dry or reactive skin because they don't contain the same levels of heavy waxes and synthetic binders found in many conventional foundations.

If your skin has been feeling worse in winter and you wear makeup daily, it's worth looking at what's in your foundation. Sometimes the fix isn't just in your skincare routine.

Cold weather, indoor heating, and reduced sunlight all take a toll on skin over winter. At-home LED therapy, particularly with an Omnilux device, is one of the most evidence-based recovery tools available outside a clinic. Red light at 633nm supports collagen production and barrier repair. Near-infrared light at 830nm goes deeper, reducing inflammation and supporting cellular recovery.

This isn't a replacement for your topical routine. It works alongside it. Three to five sessions per week, each around ten minutes, is enough to notice a difference in how your skin feels and recovers through the colder months. It's the kind of quiet, consistent support that suits winter well.

The clearest sign your barrier is recovering is comfort. Skin that no longer feels tight after cleansing, that holds moisture through the day without needing constant reapplication. And that doesn't sting when you apply products it used to tolerate fine. These are the markers I look for.

Visible improvement in texture and dullness usually follows a few weeks later, once your barrier lipids have had time to rebuild. Barrier repair is not a quick process. It takes consistent, gentle support over four to six weeks. If you're expecting overnight results, you'll likely switch products before giving your skin the time it needs.

If you've been using the same Dermalogica products for a while but aren't sure they're still right for where your skin is now, that's worth looking at. Skin changes with the seasons, with age, and with stress. A routine that worked well two years ago may need adjusting. This Q&A on seasonal skin changes covers some of the common shifts people notice and why they happen.