Bundles of hair are not necessarily psoriasis, but can also be caused by erythematous aspergillosis, among other things.
1. Psoriasis: Psoriasis is a chronic scaly skin disease that causes scaly erythema or plaques to appear. When psoriasis appears on the scalp, the thick scaly red patches can gradually shrink toward the center, causing normal hair to be surrounded by flakes, and the thick scales hold the hair in place, which can lead to the symptom of stringy hair.
2. Erythematous pemphigoid: Erythematous pemphigoid on the scalp can lead to blisters, vesicles, crusts and other lesions on the scalp, and after the water of these lesions evaporates, the hairs may be gathered together, which may lead to the condition of tufted hair.
The appearance of tufted hair, need to go to the regular hospital to do the relevant examination, clear the specific cause of the disease, and then targeted treatment.