How old is your dandruff and does it bleed or has oily scales. It might not just be a dandruff. It could be some other chronic issue such as psoriasis, seborrhagic dermatitis, eczema or something else. You should share your picture for better understanding.
Next Steps
Incase of itching apply coconut oil mixed with camphor, incase of oily scaly dandruff, apply neem and haldi pste in roots. And incase of bleeding or discharging dandruff apply neem oil.
Health Tips
Dont use too much anti dandruff shampoo. Ketomed shampoo is better. For personalised shampoo, oil and hair packs contact us and reap the benefits. You will surely be benefitted by Ayubless ayurveda