Which condition can cause diseases and disorders of the scalp to accelerate?

Improper cleansing can lead to a buildup of dirt, oil, dead skin cells, and product residue on the scalp. This buildup can create an environment conducive to bacteria and fungal growth, which can in turn promote various scalp diseases and disorders. Additionally, when the scalp is not properly cleansed, it can lead to irritation and inflammation, exacerbating any existing conditions like dandruff, psoriasis, or seborrheic dermatitis.

While excessive hair care services, low pH products, and frequent shampooing can have negative impacts, they do not necessarily lead to a rapid acceleration of scalp diseases in the same way that failing to cleanse the scalp effectively does. Frequent shampooing, for instance, might strip the scalp of natural oils and cause dryness or irritation, but it does not directly promote the conditions that lead to diseases. Low pH products may also provide benefits such as closing the hair cuticle, but they alone do not increase the likelihood of scalp disorders.