Achieve longer, stronger hair with Doo Gro Moisturizing Shampoo, a 10 oz formula enriched with a vitamin and herb blend. This shampoo not only detangles and thickens hair but also helps reduce breakage, promoting longer and stronger hair growth. Professionals and experts agree - Doo Gro Moisturizing Shampoo is a scientifically formulated solution to achieve your hair goals. With a 10 oz vitamin and herb blend, this shampoo is proven to not only detangle and thicken hair, but also reduce breakage for longer and stronger hair growth.