Fortunately, there are topical products that can accelerate the growth of your eyebrows. These products called eyebrow growth serums, eyebrow growth stimulators, or accelerators work by increasing the amount of hairs that grow during your eyebrow growth phase and by increasing the length of the eyebrow growth phase. Of course results will take time to become noticeable, but after several weeks your eyebrows will be thicker and fuller than ever.