Split ends can happen due to cosmetic procedures which can damage hair like straightening, rebonding, perming, using blow dryers or any form of heat. apart from this there may be other issues like
thyroid,
vitamin deficiencies, etc for which you need to do few blood tests. Once we know the exact cause, we can make a treatment plan for you.
Next Steps
Read my article about Routine Hair Care on my practo page. Avoid above mentioned procedures and use triflow hair conditioner alternate days