White vs. Grey Hair: Understanding the Difference - [Your Brand/Site Name]

While we often use the terms "white hair" and "grey hair" interchangeably, theres a slight distinction in what's actually happening at the cellular level:

* Grey Hair: Grey hair is actually a mix of normally pigmented hairs and white hairs. The overall effect is a greyish appearance.

* White Hair: White hair is completely devoid of melanin, the pigment that gives hair its color. This is the final stage when melanocytes (the cells that produce melanin) stop functioning altogether. So, it's the absence of pigment that makes the hair appear white.