Here's why:
* Hair growth is controlled by genetics and hormones, not pulling. The color of your hair is determined by melanin, a pigment produced by cells called melanocytes. As we age, melanocytes produce less melanin, leading to gray or white hair.
* Pulling a hair out only removes the hair shaft. It doesn't affect the hair follicle, which is the root of the hair and where new hair growth originates.
* The hair follicle will continue to produce hair of the same color. The follicle doesn't change its pigment production just because you pulled out a hair.
However, there are a few things to consider:
* Pulling hair can damage the follicle. This could potentially lead to a change in hair texture or growth pattern, but not color.
* Pulling out a hair can sometimes feel like you're pulling out more than one hair. This is because the hairs around the pulled hair can sometimes come out too, giving the impression of more white hairs growing.
In short, pulling out a white hair won't cause more to grow in its place. The color of your hair is determined by internal factors and pulling out a single hair won't change that.