It sounds like you might have very dry scalp. You should oil your scalp regularly;
• Mix coconut oil, olive oil and castor oil. Heat and massage into scalp for conditioning effect.
• Never use any harsh products, and any Perm treatment could worsen your symptoms.
• Use sulfate-free hair products.
• Do not wash your hair more than three times a week.
• Use natural ingredients and natural products.
• Lemon juice, curd and Apple cider vinegar are great to fight against dandruff. Try using these as hair masks.