Allergic Reactions
Scalp infections can be caused by allergic reactions, which are a frequent cause of sudden afflictions. Allergies to the scalp can be triggered by contact with specific chemicals found in shampoos, conditioners, or other hair treatments. A commonly known culprit for scalp inflammation is a chemical called PPD or paraphenylenediamine, which is commonly found in hair dyes.
Understanding Psoriasis
Psoriasis is a common and long-lasting skin condition characterized by the development of dry, red patches of skin that often flake and may appear scaly. Scalp psoriasis can vary in severity, with some individuals experiencing mild symptoms while others may face more severe manifestations. It is not uncommon for the plaques and flaking associated with scalp psoriasis to extend beyond the hairline, affecting areas such as the back of the neck and forehead. Individuals with psoriasis often experience periods of flare-ups, where symptoms worsen, followed by periods of remission, during which the condition may improve or temporarily disappear.