Split ends means your hair is not getting enough nourishment and lacks moisture. Harsh shampoos, sun exposure , blow drying, straightening, dyes and bleaches dry out the hair and damages the amino acids in your hair. Dry and damaged hair breaks easily while styling or brushing. If you think your hair is not growing fast then split ends could be the possible reason.
Avoid using shampoos that contain alcohol as it dries out hair. Use shampoos that contain natural ingredients. Also, Excessive washing with harsh shampoos makes your hair ends dry. You should not shampoo more than 3 times a week. It is better to wash your hair every alternate day than everyday. Also, do not use hot water to wash your hair.
Let your hair dry naturally. Avoid heat as much as possible. Heat is the worst enemy for your hair but its hard to completely avoid hair dryers and flat iron. It is best to apply a heat resistant serum to your hair before using heat. Towel dry your hair before drying, this way you minimize the damage of heat on wet hair. Also, use flat irons and curlers occasionally instead of everyday.
The best solution for split ends is to get a trim. You get split ends when you dont trim your hair for a long time. Always trim your hair once every 6-8 weeks to get rid of dry & weak parks and promote hair growth.
There are many treatments available which repair hair damage and provide moisture and nourishment. They can seal the split ends but not completely cure them so its better to use them with regular trimming to keep off split ends and help prevent future damage. Use a deep conditioner twice a week after you shampoo your hair.