A pair of thick, well-shaped eyebrows can add definition and elegance to your face. However, not everyone is blessed with thick eyebrows. Regular trimming and waxing results in eyebrows that are thin and sparse. Mineral deficiencies, hormonal imbalance, medical conditions can all result in thin eyebrows. At the moment, thick eyebrows are all the rage, to the woe of those with thin eyebrows. For those who keep drawing their eyebrows on every day, there are home remedies to grow brows naturally. Generally, it takes four to six weeks to show results, so, patience is essential.