The skin under your eyes is the thinnest on your entire body, and it has far fewer oil glands than the rest of your face. That combination means it loses moisture faster, recovers slower, and reacts to irritants more easily than skin anywhere else. The dryness you’re seeing likely comes from one or more overlapping causes, from environmental exposure to your skincare routine to simple aging.
Under-Eye Skin Is Built Differently
The skin beneath your eyes is roughly 0.5 mm thick, compared to about 2 mm on most of your face. It also has a much lower density of sebaceous glands, the tiny oil-producing structures that keep skin supple. Hair-associated sebaceous glands elsewhere on the face have 5 to 80 oil-producing units (called acini) per gland depending on the area. The nose alone packs 50 to 80 per gland. The under-eye area simply doesn’t have comparable oil production, which means it generates less of the natural lipid layer that locks moisture in.
This matters because that lipid layer acts like a seal on top of your skin. Without enough of it, water evaporates out of the surface cells more quickly. So even if you’re well-hydrated and doing everything right, the under-eye area will always be the first place on your face to feel dry, tight, or flaky.
Skincare Products That Backfire
Products that work perfectly on your cheeks or forehead can overwhelm the thinner skin under your eyes. Retinol, chemical exfoliants, and alcohol-based formulas are common culprits. They accelerate cell turnover or strip surface oils in ways that tougher skin can handle but the under-eye area cannot. The result is redness, peeling, or a persistent dry, papery texture.
Fragranced products are another frequent trigger. Even “gentle” moisturizers can contain fragrance compounds that break down the top protective layer of skin over time. Heavy or occlusive products (thick creams, petroleum-based formulas) can also cause problems. Harvard Health notes that heavy moisturizers and occlusive cosmetics can actually contribute to irritation and dermatitis in sensitive facial areas. If you’ve recently added a new product to your routine and the dryness followed, that’s the first thing to eliminate.
Stick with fragrance-free, exfoliant-free products around the eyes. A simple, lightweight eye cream with ceramides or hyaluronic acid will generally do more good than a complex formula with active ingredients.
Rubbing and Friction Do Real Damage
Every time you rub your eyes, remove makeup with a cotton pad, or press a towel against the area, you’re creating mechanical friction that physically damages the outermost skin cells. Research on skin barrier function has shown that rubbing causes traumatic damage to cells in the stratum corneum (the skin’s protective outer layer), making it more permeable and less effective at holding moisture. The damage increases with both the force and frequency of rubbing.
This creates a cycle: dry skin feels itchy or tight, so you rub it, which damages the barrier further and makes it even drier. Allergies make this worse. If you have seasonal allergies, the itchiness around your eyes can lead to near-constant rubbing. Cleveland Clinic notes that rubbing itchy, watery eyes causes further irritation to the surrounding skin, compounding the dryness and sometimes creating dark circles on top of it.
If you wear eye makeup, how you remove it matters as much as what you remove it with. Use a gentle, oil-based cleanser on a soft pad and press it against the skin rather than dragging it across. Pat the area dry instead of wiping.
Seasonal and Indoor Air Changes
Winter is the peak season for under-eye dryness, and it’s not just the cold air outside. Indoor heating strips humidity from the air in your home and office, creating an environment that pulls moisture directly out of your skin. Research on indoor winter conditions found that after six hours of exposure to heated indoor air, skin roughness, redness, and visible wrinkles all increased significantly on the face.
Hot, blown air from heating vents is especially drying. The abrupt shift between cold outdoor air and warm, dry indoor air can also destabilize the skin’s barrier function. If your under-eye dryness is noticeably worse from November through March, your environment is almost certainly a factor. A humidifier in the room where you spend the most time can make a measurable difference, particularly at night while your skin is repairing itself.
Aging Starts Earlier Than You Think
Your skin’s natural oil and lipid production begins declining earlier than most people realize. A study comparing adults aged 22 to 28 with those aged 29 to 35 found significantly lower sebum levels in the older group on both the forehead and cheeks. The decline wasn’t just in oil quantity. Ceramides, the fatty molecules that form the “mortar” between your skin cells and keep the barrier intact, dropped significantly with age, especially on the cheeks. Triglycerides, another key skin lipid, also declined in both facial regions.
For the under-eye area, which already starts with fewer oil glands, this age-related drop hits harder. If you’re in your late twenties or older and noticing under-eye dryness for the first time, declining lipid production is likely part of the equation. This is the point where adding a dedicated eye cream (one with ceramides or fatty acids that replace what your skin is producing less of) becomes genuinely useful rather than optional.
Allergies and Sinus Congestion
Allergies don’t just make your eyes itch. When your immune system reacts to pollen, dust, or pet dander, the lining inside your nose swells. That swelling slows blood flow through the veins around your sinuses, and those veins sit right beneath the thin skin under your eyes. The result is puffiness, dark discoloration, and irritation that dries out the surrounding skin.
The dryness from allergies is partly direct (inflammatory compounds in the skin) and partly behavioral (all that rubbing). If your under-eye dryness coincides with allergy season, or if you also have a stuffy nose, watery eyes, or sneezing, treating the underlying allergy with an antihistamine will often improve the skin as a secondary benefit.
Hydration and Nutritional Gaps
Systemic dehydration shows up fastest in the thinnest skin on your body. If you’re not drinking enough water, the under-eye area will look and feel dry before anywhere else does. This is a simple factor to rule out: consistently drinking adequate fluids for a week or two will reveal whether dehydration is contributing.
Certain nutritional deficiencies also affect the eye area specifically. Vitamin C plays a role in maintaining the skin’s collagen structure and moisture, while vitamin D deficiency has been linked to unstable tear film and dry eye conditions, which can extend to the surrounding skin. These deficiencies are common enough that they’re worth considering if your dryness persists despite good skincare and environmental adjustments, particularly if you also notice dry eyes themselves.
A Practical Approach to Fixing It
Since under-eye dryness usually involves multiple causes at once, tackling it effectively means addressing several things simultaneously rather than looking for a single fix. Start by simplifying the products you use around your eyes. Remove anything with fragrance, retinol, or exfoliating acids from that area, even if you continue using them on the rest of your face.
Apply a ceramide-based or hyaluronic acid eye cream to slightly damp skin, which helps trap more moisture than applying to dry skin. Be deliberate about not rubbing the area, whether from allergies, tiredness, or habit. If indoor air is dry, run a humidifier. And if the dryness is seasonal and comes with other allergy symptoms, addressing the allergy itself will often resolve the skin issue along with it.
Persistent under-eye dryness that doesn’t improve after a few weeks of these changes, or dryness accompanied by cracking, oozing, or spreading redness, may point to contact dermatitis or eczema, both of which are common around the eyes and respond well to treatment from a dermatologist.