Human body hair grows significantly faster during the summer months due to increased environmental heat exposure

A closer look

Just when you actually need to wear shorts, your body aggressively sabotages your grooming routine. The high temperatures of summer drastically increase blood circulation directly to the skin's surface in an attempt to cool you down. This massive influx of nutrient-rich blood supercharges your hair follicles, forcing leg, arm, and facial hair to sprout at a notably accelerated rate. Your biology is actively ensuring you spend your entire summer vacation shaving.