Try this at home. It's easy, cheap and effective.
2 Tbsp Honey
4 Cups warm water
1 tsp Baking soda
Mix it all together and apply to hair. Cover for 15 mins then wash out.
Look at how your hair glows.
Its molecules retains moisture which is great for dry hair.
Mix and Match recipes and find what works best for you. Don't go overboard on honey unless you want to attract bees!