Types of fungus and stuff that grows in dirty hair/scalp?
  • In two recent articles you mentioned two types of fungus that can grow on greasy scalps.

    “Sebum is composed of fatty acids which are the food source of a fungus
    called Malassezia Globosa. This fungus is always present on the scalp,
    but when the level of sebum increases the fungus proliferates resulting
    in scalp itching, tenderness, flaking, inflammation, spots, dandruff,
    seborrheic dermatitis and other problems. Washing the hair and scalp
    with shampoo controls the level of sebum on the scalp and reduces the
    chances of scalp disorders developing. All these problems are commonly
    seen when hair is not washed frequently.

    Another factor is that
    as the Malassezia Globosa fungus breaks down the oil it gives off an
    unpleasant odour, which may not be noticed by the person themselves but
    almost certainly by other people.” http://thebeautybrains.com/2014/01/20/is-the-no-poo-method-safe-for-hair-and-scalp/

    and

    "A greasy scalp is a breeding ground for a specific fungus called
    Malassezia furfur. The fungus feeds on the oils and releases free fatty
    acids which can irritate your scalp." http://thebeautybrains.com/2014/01/24/why-does-greasy-hair-make-my-scalp-ache/

    Are there any kinds of little bug creatures that grow in greasy scalps?
  •  Malassezia is a genus of fungi of which there are several subtypes. Which type grows on greasy scalp? Some sources just refer to it as the generic Malassezia. We've seen it in other places as  Malassezi furfur. And in the example above (the first one which was written by Tony Maleedy) it is listed as  Malassezia Globosa. (To make things even more confusing, this fungus used to be called Pityrosporum or P. ovale.) 

    So whatever you choose to call it, this is the "little bug creature that grows in greasy scalp" and contributes to dandruff.     
  • That makes sense. Weird no one knows specifically what sub type grows on the scalp but it could be more than one.
  • This may help if you have time to read it. http://www.doctorfungus.org/thefungi/Malassezia.php

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