Why Does My Hair Get Greasy Faster in Winter Hats.
You’ve just removed your beanie after your morning commute, and within hours, your roots feel slick with sebum—a pattern that didn’t exist during summer months. This phenomenon isn’t coincidental: winter hats create an occlusive microenvironment that elevates scalp temperature by 2-3°C, directly stimulating your sebaceous glands’ lipid production while simultaneously trapping moisture and oils against…