SureThik is a company that specializes in developing hair thickening products, particularly their High-Performance Hair Thickening Fibers made from 100% natural keratin. They aim to help individuals achieve flawless hair by providing a range of innovative products that conceal hair loss naturally. With a focus on quality and effectiveness, their products are designed to be wind, rain, and sweat-proof, and are used by celebrities, recommended by hairstylists, and offered in 8 natural hair color shades.