Use a good hair mask once a week or every other depending on how often you wash your hair.
Intensive Repair Treatment - LolaVie
After styling use a gloss spray if you desire for added shine. Make sure to only use it mid to ends. If you use it on your roots it may make your hair greasy looking quicker.
top gloss | hair shine spray - Amika
Use this while your hair is damp. A little goes a long way!