Winter brings cosy layers, warm drinks and dry air that can completely change how your hair behaves. Suddenly, your scalp feels flaky, your strands lose moisture faster, and your usual shampoo routine stops working the way it did in summer. So the question many people ask as temperatures drop is simple: how many times should you wash your hair during winter? The answer is not one-size-fits-all, because cold weather affects scalp health, oil production and hair texture differently for everyone. A study published in the International Journal of Cosmetic Science found that cold winter air significantly increases transepidermal water loss (TEWL) and decreases skin hydration, making skin drier, more irritated and more prone to barrier disruption. This means that overwashing can worsen win

See Full Page