Dandruff can be treated with lotions and shampoo (not commercial ones). Some people do have more oily scalp which cause visible flakes which we cause dandruff. There are some other conditions also which can present like flaking of the scalp. Do not apply oil on scalp as it will increase the problem. Please send photos using online consult  a option or visit my clinic for proper examination and treatment. Hairfall may be associated which can also be treated if we find the cause.