 KOH test

The KOH Test for "Candida albicans", also known as a potassium hydroxide preparation or KOH prep, is a quick, inexpensive fungal test to differentiate dermatophytes and "Candida albicans" symptoms from other skin disorders like psoriasis and eczema.Dermatophytes are a type of fungus that invades the top layer of the skin, hair, or nails.