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“Seborrheic dermatitis, which is an inflammatory condition caused by an overgrowth of yeast called Malassezia, or an immune response to this yeast, can also contribute to scalp buildup ...
Infections may target only your scalp and can have telling signs. ... is a common scalp condition caused by overgrowth of microorganisms such as Pityrosporum and Malassezia,” Dr. Thosani says ...
Scalp A flaky scalp isn’t necessarily dry, Davis says. In fact, dandruff is often caused by excess oil and yeast overgrowth on the scalp, not a lack of moisture.
Malassezia is a genus of fungi (specifically, a yeast). Some species of Malassezia are found on the skin of animals, including humans. Because malassezia requires fat to grow, [3] it is most common in areas with many sebaceous glands—on the scalp, [4] face, and upper part of the body.
In babies, when the scalp is primarily involved, it is called cradle cap. [2] Mild seborrhoeic dermatitis of the scalp may be described in lay terms as dandruff due to the dry, flaky character of the skin. [6] However, as dandruff may refer to any dryness or scaling of the scalp, not all dandruff is seborrhoeic dermatitis. [6]
Dry, thick, well-defined lesions consisting of large, silvery scales may be traced to the less common condition of scalp psoriasis. Inflammation can be characterized by redness, heat, pain or swelling, and can cause sensitivity. Inflammation and extension of scaling outside the scalp exclude the diagnosis of dandruff from seborrhoeic dermatitis ...
Candida. What it looks like: Candida, a type of yeast infection, can occur in lots of places—including the skin. It often occurs when the skin microbiome is dysregulated, causing an overgrowth ...
Malassezia folliculitis or pityrosporum folliculitis, [1] is a skin condition caused by infection by Malassezia (formerly Pityrosporum) yeast. [2]: 314 The skin of the upper trunk area including the back, chest, arms and sometimes the neck is often affected and this condition is often seen in young to middle aged adults, although it has been known to occur in adults well into their sixties ...