Common Scalp Conditions: Identification and Care
Understanding common scalp conditions is crucial for maintaining scalp health and promoting optimal hair growth.

A healthy scalp is the foundation for healthy hair. Many common scalp conditions can lead to discomfort, flaking, itching, and even hair loss if left unaddressed. Identifying these conditions and understanding their causes and treatments is the first step toward achieving a balanced and comfortable scalp.
Dandruff (Pityriasis Capitis)
Dandruff is perhaps the most common scalp condition, characterized by an itchy scalp and flaking. The flakes are typically white or yellowish and can shed onto clothing. It is not contagious and is generally not a serious condition, though it can be a persistent nuisance.
Causes: The primary cause of dandruff is an overgrowth of Malassezia globosa, a yeast-like fungus that is naturally present on the scalp. This fungus feeds on the oils (sebum) produced by hair follicles. For some individuals, this leads to an accelerated shedding of skin cells, resulting in visible flakes. Other contributing factors can include oily skin, sensitivity to certain hair products, and infrequent shampooing.
Symptoms:
- White, oily flakes on hair and shoulders
- Itchy scalp
- Dryness or tightness of the scalp
Care: Mild cases of dandruff can often be managed with regular shampooing. For more persistent cases, an anti-dandruff shampoo containing active ingredients like zinc pyrithione, selenium sulfide, ketoconazole, or salicylic acid can be effective. These ingredients help to reduce the fungal overgrowth or promote the shedding of dead skin cells.
Seborrheic Dermatitis
Often considered a more severe form of dandruff, seborrheic dermatitis is a chronic inflammatory skin condition that can affect the scalp, face, and other oily areas of the body. On the scalp, it presents as greasy, yellowish scales and redness.
Causes: Similar to dandruff, seborrheic dermatitis is linked to an inflammatory response to the Malassezia yeast and an overproduction of sebum. Factors that can worsen the condition include stress, hormonal changes, cold and dry weather, and certain medical conditions.
Symptoms:
- Greasy, yellowish scales
- Redness and inflammation of the scalp
- Intense itching
- Crusting or oozing in severe cases
Care: Treatment typically involves medicated shampoos with ingredients like prescription-strength ketoconazole, selenium sulfide, or corticosteroids. Regular washing and avoiding irritating hair products are also beneficial. It is often a recurring condition that requires ongoing management.
Psoriasis of the Scalp
Scalp psoriasis is an autoimmune condition where the body
Find these ingredients in Watermans products
- Zinc — you will find this ingredient in our Hair Vitamins.