In warmer climates, we are naturally more active (well, some of us!) and our metabolism becomes higher which affects our hormonal cycles. Another theory is that in hotter environments, our scalp produces more natural oils that are key to hair growth. We end up brushing these oils throughout the hair shaft which conditions and maintains healthy hair, which can encourage faster hair growth. Our scalps also age, which means it becomes less effective at growing healthy hair. The key to…