PURA D'OR Professional Grade double concentrated hair growth shampoo and conditioner for thinning hair is clinically tested to strengthen hair, and minimize breakage. It is one of PURA DORs best selling shampoo and conditioner sets because of its double-strength feature that increases volume and thickness of your hair, keeping it moisturized and tangle-free all day long. Our professional shampoo and conditioner include 17 key active ingredients in the natural organic shampoo plant-based preservative system, each with twice the concentration to support and ensure a moisturized and healthier hair from roots to tips without any signs of distress, breakage, or leaving it flat. DHT Blockers such as Saw Palmetto, Nettle extracts, Biotin, He Shou Wu, Red Korean Seaweed, Pygeum Bark Extract, and other exotic herbs to fight hair thinning are part of the proprietary blend. Even with the double concentration formula, our sulfate-free shampoo and conditioner is still safe for our daily routine use on any hair types including natural hair, colored treated or dry and damaged hair, for both men and women. It is free from harsh chemicals and paraben-free. It is hypoallergenic, vegan, environmentally responsible, and cruelty-free.