It´s a very good serum. A basic but good one, it´s hydrating, not sticky, almost odorless. It´s perfect for oily skin, because is not heavy, you can use it under your primer and makeup, it doesn´t disturb your foundation during day. But it´s not a heavy duty product for damaged, aged or really dry skin. If you want to start a skin regime or your face is in good condition and want just maintainance, it´s a very recommended product for quality and price.