According to the Daily Makeover, tweezed eyebrows typically take around 56 days to fully grow back. Many people believe that plucking eyebrows permanently eliminates the hair. Plucking hairs every few weeks will not cause permanent eyebrow loss.
Over-plucking the eyebrows can cause the hair to eventually fall out and make it difficult for it to grow back. When over-plucking occurs, it is best to let the eyebrows grow for roughly six weeks before attempting to shape and pluck them again. For severely over-plucked eyebrows, New Health Guide suggests using natural remedies such as rubbing petroleum jelly or castor oil on the brows to help stimulate hair growth.