Hair Serum stuff. If you go online there is a good one here in the USA it is called It's a 10. It is pricey but it works good. It sounds like your hair is probably just frizzy. You possibly try leave in conditioner that you spray on after your shower.
I also heard from my friend that does hair that products such as the wrong shampoo/conditioner and hairstyling products can also create split ends along with drying out hair. Most people who cut hair recommend individuals getting their cut about every 3 months to help prevent split ends.
Coconut oil. Put it on the lower half of your hair, wrap it up in an old tee shirt and leave it in for a few hours - knock out some housework, marathon OITNB, whatever, but keep it in as long as you can - and then wash it out.