I have a problem with brows too, from time to time I overtweeze and then need to grow it back, I swear to myself every time I won't do it again, but I just love tweezing, so it's a never ending cycle. I found something that helps to make it grow faster. Silk Naturals
sells something to make lashes grow (called Eye Lash Conditioning Gel), and it definitely works (and totally safe to use, no stinging, no blurred vision, no side effects at all), so I thought why not try on brows too. I read reviews of other people who said it works on brows. Also I take a bunch of supplements for hair growth, so don't know for sure if it's the gel or supps, or combo of both, but they do grow out faster now.