Most Docs check one and To my mother in law my heart is so grateful for all that you’ve done shirt. But there are plenty of things to do over the counter for hair growth that is more then rogaine or biotin. My grandmother went gray early, and she had autoimmune disorders, but in her early 70’s her hair started falling out. When it grew back in, it was coming back in brown again. I have mild psoriasis and have noticed that in the affected areas where I tend to scratch the hair is turning grey. I also have eyebrows that meet in the middle and in that mid point where I pluck often the hairs are now primarily white.