Does your skin itch? Do you suffer from dandruff, scaly skin, yeast or fungus? So the IchthyoCare series from Dr. Muller. White Ichthamol is a light form of sulfonated shale oil that helps to improve itching and skin irritation. It is suitable as a supporting agent in the care of the scalp in case of psoriasis or in case of irritation of sensitive skin due to sunlight.