Glossary
The medical term for abnormally dry skin, characterized by roughness, scaling, flaking, cracking, and sometimes itching. Xerosis occurs when the skin loses more water than it absorbs, typically due to impaired barrier function, reduced natural oil production, low humidity, over-washing, or aging.
Xerosis develops when the skin's ability to retain moisture is compromised. The most common causes include aging (sebaceous gland activity and ceramide production both decline with age), environmental factors (low humidity, cold air, wind, excessive air conditioning), over-washing with harsh soaps that strip natural oils, and certain medical conditions (hypothyroidism, kidney disease, diabetes).
The cycle of xerosis is self-reinforcing: damaged barrier leads to moisture loss, which causes further barrier damage, which leads to more moisture loss. Breaking this cycle requires not just adding moisture but actively preventing its escape. This is where occlusive ingredients like beeswax are essential.
The most effective approach to xerosis combines three strategies: humectant ingredients that draw moisture into the skin (honey, glycerin), emollient ingredients that soften and fill gaps between skin cells (shea butter, cocoa butter, plant oils), and occlusive ingredients that form a barrier preventing moisture from escaping (beeswax, coconut oil).
Water-free skincare products are particularly effective for xerosis because every ingredient is actively moisturizing and barrier-supporting. A beeswax-based body butter or lotion bar applied to damp skin immediately after bathing provides all three mechanisms in a single product: the plant oils act as emollients, the butters provide humectant nutrition, and the beeswax seals everything in.
No. Xerosis is dry skin; eczema (atopic dermatitis) is an inflammatory condition. However, they often coexist: dry skin can trigger eczema flares, and eczema causes dry skin. Proper moisturizing helps manage both conditions but eczema may also require anti-inflammatory treatment.
Rich, occlusive products that combine emollient ingredients with barrier-forming waxes. Beeswax-based body butters and lotion bars outperform water-based lotions for severe dryness because they deliver concentrated moisture and create a long-lasting protective barrier. Apply immediately after bathing.
Gentle exfoliation can help by removing the buildup of dry, flaky cells that prevent moisturizers from penetrating. However, aggressive exfoliation worsens xerosis. Use a very gentle method (soft washcloth, mild lactic acid) no more than once or twice per week, always followed by a rich moisturizer.
Keep Learning
Browse hundreds of terms covering honey, beekeeping, and natural skincare.