The basics InstaBrow Brow Powder. Fill in and shape your eyebrows with InstaBrow from Glamazon!  The benefits Infused with natural ingredients that moisturizes, nourishes and helps to stimulate hair growth. The uses Fills and shapes eyebrows in seconds. Conceals gray hairs. The bottom line Product contains highly pigmented natural fibers and can be used as a 2-in-1 product for both eyebrows and to conceal gray roots.