How to get rid of strong dandruff with thick oily hair?

The cause of too quickly oily hair is increased production of sebum, which in turn is caused by hormonal disorders, improper care, poor diet or stress. It is difficult to propose a specific method of treatment based on such a short description. I encourage you to make an appointment with a dermatologist who will adjust the treatment according to your current clinical condition. Before you reach a specialist, the pharmacist, within his competence, can offer over-the-counter dermocosmetics: La Roche-Posay Kerium DS - intensive anti-dandruff treatment: https://www.gdziepolek.pl/produkty/39990/la-roche-posay-kerium-ds-intensywna-kuracja-przeciwlupiezowa-szampon/apteki Vichy Dercos DS Anti-dandruff shampoo - oily hair: https://www.gdziepolek.pl/produkty/88299/vichy-dercos-ds-szampon-przeciwlupiezowy-wlosy-normalne-i-przetluszczajace-sie-szampon/apteki Pharmaceris T Octopirox DS Scalp Tonicum: https://www.gdziepolek.pl/produkty/101288/pharmaceris-t-octopirox-ds-scalp-tonicum-preparat-zmniejszajacy-luszczenie-i-zaczerwienienie-do-skory/apteki The effect and composition of individual dermocosmetics can be checked by clicking on the attached links on the gdziepolek.pl website, which also allows them Booking at the nearest stationary pharmacy or ordering in a selected online pharmacy. It is worth washing your hair every other day, and when you notice improvement, you can add another day without washing. In the meantime, you can use a dry shampoo or rinse that will reduce shine for that extra day, e.g.: Klorane seboregulating dry shampoo: https://www.gdziepolek.pl/produkty/100253/klorane-seboregulujacy-suchy-szampon-z-wyciagiem-z-pokrzywy-aerozol/apteki