12 Hidden Ways Winter Damages Your Skin and Hair Beyond Just Dry Air

3. Temperature Shock From Indoor-Outdoor Transitions Damages Skin

Walking quickly between a heated indoor space and freezing outdoors creates repeated temperature shocks for skin. Those shifts force microvessels to constrict and dilate, and the rapid change can stress the skin barrier and trigger redness, flushing, or a tight sensation. People with rosacea or sensitive skin may notice flares that coincide with repeated transitions. You can lessen the effect by layering clothing so the body does not need abrupt thermal adjustments, and by protecting exposed areas—like cheeks and lips—with a balm or barrier cream before stepping outside. A scarf or hood reduces direct wind exposure, which amplifies thermal stress. When returning indoors, allow skin to warm gradually instead of immediately washing with hot water. Slower transitions are gentler and help the barrier recover instead of repeatedly being pushed into reactive states.

4. Low Humidity Causes Hair Cuticles to Lift and Roughen

Hair shafts are covered in overlapping cuticle scales that lie flat when hair is healthy and hydrated. In low-humidity winter air those cuticles can lift, creating rough texture, tangles, and an increase in frizz. Raised cuticles also make hair more vulnerable to mechanical damage during brushing or styling because strands catch and break more easily. To smooth and protect cuticles, use conditioning products that contain lightweight oils or silicones to temporarily flatten the scales and reduce friction. Nighttime silk or satin pillowcases and scrunchies cut mechanical stress while you sleep. Once a week, a deeper moisturizing mask can help restore internal hydration. Avoid overly aggressive towel-drying; blot instead of rubbing, and detangle gently with a wide-tooth comb. These small habits reduce cuticle disruption and keep hair calmer in low-humidity conditions.