I am an avid beachgoer, in the salt water and sun usually twice a day, all year round here on The Sunshine Coast.
My hair is fine and tends to sun bleach, dry out & break each summer. I have tried every product imaginable to retain my hair and spent good money doing so. I have been happy with only two products,
I am now nearly 50 & been like this my whole life.
Last year I tried Coconut Tree Coconut & Argan Shampoo & Conditioner. It was amazing. I find if I rinse in cool water it locks in. My hair feels glossy, retains a sheen & has hardly broke at all,. It actually has a bit of bounce where usually its limp and flat with extremely dry & split ends.
I dont use anything else.
I fully recommend these products.
Try the cool water tip