Yes, you can increase hair density by applying L'Oréal Professionnel Density Advanced shampoo. Omega 6 makes the base ingredient in the L'Oréal Professionnel Density Advanced shampoo that helps to reinstate hair vitality and density. You can build a thorough hair care routine and include hair care products like L'Oréal Professionnel Density Advanced shampoo and L’Oréal Professionnel anti-hair loss activator programme (hair serum) to get the best results.