Dry skin happens when your skin’s outermost layer loses moisture faster than it can replace it. The fix comes down to two things: stop stripping away the protective oils your skin already makes, and add moisture back with the right products applied the right way. Most cases of dry skin respond well to simple changes in how you wash, moisturize, and manage your environment.
Why Skin Gets Dry in the First Place
Your skin’s surface layer contains a matrix of natural fats (ceramides, cholesterol, and fatty acids) arranged in tight, overlapping sheets. This lipid barrier is your body’s main defense against water loss. When it’s intact, it regulates how much moisture escapes from deeper skin layers, adapting to cold, dry, or harsh conditions. When it’s damaged or depleted, water evaporates freely and skin becomes tight, flaky, or cracked.
The most common causes of damage to this barrier are surprisingly mundane: hot water, harsh cleansers, dry indoor air, and friction from rough fabrics. Cold weather is a double hit because outdoor air holds less moisture while indoor heating dries things out further. Aging also plays a role, since your skin produces fewer natural oils over time.
Fix Your Shower Routine First
Hot showers feel great but dissolve the protective oils in your skin. The ideal shower temperature is around 100°F (38°C), which feels lukewarm to warm. Anything hotter accelerates moisture loss. Keep showers short, ideally under 10 minutes. If your skin feels tight or squeaky after showering, the water was too hot or you were in too long.
Your cleanser matters just as much as the temperature. Traditional bar soaps have a pH of 8 to 10, far above your skin’s natural pH of 4 to 5. That mismatch strips away natural oils and leaves your barrier vulnerable. Soap molecules are also small and straight, so they can work their way into pores and prolong irritation. Look for soap-free or “syndet” cleansers, which use gentler surfactants with a pH closer to your skin’s own level. A quick way to spot soap on an ingredient list: anything starting with “sodium” or “potassium” and ending in “-ate” (sodium stearate, sodium cocoate, potassium oleate) is a traditional soap.
Choose the Right Moisturizer
Not all moisturizers work the same way. The ingredients fall into three categories, and the best products combine at least two of them.
- Humectants pull water from the air and from deeper skin layers into your surface layer. Glycerin, hyaluronic acid, and urea are common examples. These are great at boosting hydration but don’t prevent it from evaporating afterward.
- Emollients soften and smooth skin by filling the gaps between skin cells. They improve barrier function and make skin feel less rough. Oat-based ingredients, coconut oil, and palm oil derivatives fall into this group.
- Occlusives form a physical barrier on top of the skin that locks moisture in. Petroleum jelly is the gold standard here, reducing water loss by over 98% in some measurements. Mineral oil, silicones, beeswax, and vegetable oils also work as occlusives. Lanolin oil does double duty as both an occlusive and an emollient.
For mild dryness, a lotion with humectants and light emollients is usually enough. For persistent or severe dryness, especially on hands, shins, and elbows, reach for a thicker cream or ointment with occlusive ingredients. Ointments feel greasier but are far more effective at preventing water loss.
When and How You Apply Matters
Timing makes a real difference. Apply moisturizer within about a minute of washing or wetting your skin, while it’s still damp. Damp skin absorbs product more effectively, and the moisturizer traps that surface water before it evaporates. Pat yourself mostly dry with a towel, leaving skin slightly moist, then apply immediately.
For your body, use enough product to cover each area with a visible layer, not just a thin smear. Pay extra attention to shins, forearms, hands, and any areas that feel tight or flaky. During winter or if your skin is especially dry, moisturizing twice a day (morning and after your evening shower) produces noticeably better results than once.
Drinking More Water Probably Won’t Help
The idea that drinking extra water will fix dry skin is one of the most persistent skincare myths. A clinical study that tracked 43 participants found no significant improvement in skin hydration when people added 2 liters of water to their daily intake over several weeks. Moisturizer application, on the other hand, produced measurable increases in skin hydration on the shins, forearms, and hands. The researchers concluded that while adequate water intake may support barrier function over time, topical moisturizers had a more favorable impact on actual skin hydration. So stay hydrated for your overall health, but don’t expect it to replace a good moisturizing routine.
Control Your Indoor Environment
Indoor humidity below 30% actively dries out your skin. This is common during winter when heating systems run constantly. The recommended indoor humidity range is 30 to 40%, which you can measure with an inexpensive hygrometer (available for under $15 at most hardware stores). If your home falls below that range, a humidifier in your bedroom or the rooms where you spend the most time can make a meaningful difference, especially overnight when your skin has hours to benefit.
A few other environmental adjustments help: wear soft, breathable fabrics (cotton or silk) next to your skin rather than rough wool, use fragrance-free laundry detergent, and avoid sitting directly next to space heaters or fireplaces, which blast hot, dry air onto exposed skin.
When Dry Skin Signals Something Else
Simple dry skin is uncomfortable but responds to the steps above within a week or two. If your skin doesn’t improve, or if you notice specific patterns, something else may be going on.
Eczema (atopic dermatitis) causes intensely itchy, scaly patches that tend to show up in the creases of elbows and knees. It follows a relapsing pattern, meaning it flares and settles repeatedly. Psoriasis looks different: thick, raised patches covered in silvery scales, often on elbows, knees, and the scalp. Seborrheic dermatitis produces yellow, greasy flakes concentrated on the scalp and face. Contact dermatitis appears as red, sometimes blistered skin at the exact spot where an irritant touched you.
If your dry skin is concentrated in a specific pattern, intensely itchy, cracking and bleeding, or not responding to consistent moisturizing after two to three weeks, it’s worth getting a professional evaluation. These conditions have effective treatments, but they require different approaches than simple dryness.