a face brush allows the dead skin cells to exfoliate quicker, and from that produce more collagen, and gradually, [you] get tighter skin. plus, it removes any oil or debris that's plugging pores and allows medication to penetrate skin better. ease the brush into your routine. try using it once or twice a week at first and slowly build up your use. normal skin types can potentially use it every day, while those with more sensitive complexions should stick with once or twice a week. use gentle circular strokes.