We're Bringing Science to the Forefront of Hair Care Our team boasts career scientists with PhDs and decades of experience in R&D. We are not affiliated with any brands, products, or publications. Our recommendations and reports are rooted in the latest scientific research and based upon testing performed on state of the art equipment. Hair Care Shouldn't Be A Mystery. Hair care is overwhelming. Countless products, slick marketing, and conflicting advice make it hard to decipher what's relevant to you. hairID simplifies hair care with Science. Your hair care regimen should be dictated by your hair's physical properties. Our testing reveals the precise makeup of your hair strands, allowing us to recommend the products and routine that are best for your unique hair.