Usually, eyebrows eventually grow back after shaving, although it may take months before they become as full as they were before. This is due to the extremely slow rate of eyebrow growth.
While eyebrows usually grow back after they have been shaved, there is no guarantee how they grow back; they may become thicker or thinner. Additionally, shaving leaves stubble that plucking does not. The skin around the eyebrows is also thinner, so practicing caution when shaving them is recommended. Eyebrow shaving is almost never performed by the medical community, as brows may grow back with an abnormal pattern or color or may never grow back at all.