Using a preconditioner on your hair before using a shampoo helps you nourish your hair. It moisturises your hair and even after using a shampoo, your hair stays soft and shiny. The idea behind preconditioning is to moisturise your hair before the shampoo strips the natural oil from the tresses.

Our top pick for the best overall hair growth conditioner is the Redken Extreme Length Conditioner. This formula is enriched with amino acids, citric acid, and arginine, which blend together to ward off all types of damage — including more extreme situations — while also providing an ideal environment for hair growth.