how long does it take for eyebrows to regrow?
<answer> For a mature adult 56 days for eyebrow hair to regrow and about 73 days for a person at retirement age <context> For a post-pubescent or young adult, it takes about 65 days for eyebrows to regrow following plucking. For a mature adult, it will take about 56 days for eyebrow hair to regrow and about 73 days for a person at retirement age.. Growth rate depends on metabolism too. Therefore how old you are as well.