Loreal Elvive Caida Resist X3 Weak Hair Fortifier Shampoo 680ml is a product made to help strengthen and reinforce brittle hair. It contains arginine, an essential amino acid known to promote healthy hair and increase hair development. Aminexil is a patented component in the shampoo that is intended to increase hair density and lessen hair loss. People who are balding or thinning due to breakage or weak hair are advised to use this shampoo. It can be used every day and is appropriate for all hair types. Those looking to strengthen and fortify their hair while reducing hair loss are suggested to try Loreal Elvive Caida Resist X3 Weak Hair Fortifier Shampoo.