Seborrhoea: Causes, Conditions and Treatments
Seborrhoea is an overproduction of sebum by the scalp's oil glands that can contribute to dandruff, scalp irritation, and hair loss. Learn what causes it and how specialist treatment can help.
Seborrhoea is the overproduction of sebum by the scalp's oil glands. Excess oil on the scalp can contribute to conditions such as Seborrhoeic Dermatitis, dandruff, and hair follicle blockage, potentially leading to hair thinning if left unmanaged.
What happens with Seborrhoea?
What are the symptoms of Seborrhoea?
- Greasy or oily scalp and hair
- Yellowish or whitish flaking on the scalp
- Itching and mild scalp irritation
- Hair may appear flat and lacking volume
- In some cases, scalp odour associated with excess oil
Key facts about Seborrhoea
- Seborrhoea is closely linked to Seborrhoeic Dermatitis and dandruff
- It is often influenced by hormonal changes — androgens stimulate sebaceous gland activity
- Both men and women can be affected, though it is more common in men
- Effective management can improve scalp health and prevent secondary hair loss
What triggers Seborrhoea?
- Hormonal changes: Androgens stimulate excess sebum production
- Stress: Can increase oil production and trigger flare-ups
- Poor diet: High-fat, high-sugar diets may contribute to excess sebum
- Genetic predisposition: Some individuals naturally produce more oil
- Inappropriate hair products: Certain products can worsen oiliness
Can Seborrhoea be cured?
Seborrhoea cannot be permanently cured, as it is influenced by hormones, genetics, and skin type. However, it can be controlled with medicated shampoos, sebum-regulating treatments, and proper scalp care. Managing diet, stress, and hygiene can also help reduce excessive oiliness and maintain scalp balance.
“Excess oil production can leave the scalp feeling greasy and uncomfortable, but with the right treatment, Seborrhoea can be effectively managed. A balanced scalp is essential for healthy hair growth.”
Seborrhoea FAQ
What causes Seborrhoea?
Seborrhoea is caused by overactive sebaceous glands producing excess sebum. Hormonal fluctuations, stress, diet, genetics, and certain medications can all influence oil production on the scalp.
Does excess oil production cause hair loss?
Excessive sebum can clog hair follicles and contribute to scalp conditions that indirectly affect hair growth. If left untreated, chronic seborrhoea can create an environment that weakens the follicles over time.
Is Seborrhoea the same as dandruff?
Not exactly. Dandruff involves flaking of the scalp surface. Seborrhoea specifically refers to excessive oil secretion. The two can co-exist — seborrhoeic dermatitis involves both oiliness and flaking with inflammation.
What treatments are available?
Medicated shampoos designed to regulate oil production, scalp exfoliation treatments, and dietary adjustments can all help. A trichologist can recommend a targeted routine based on your scalp type and the severity of the condition.
When should I see a trichologist?
If your scalp remains persistently greasy despite regular washing, or if you notice associated flaking, itching, or hair thinning, a professional assessment will help identify the most effective treatment approach.
Chief Trichologist
Gary Heron
With over 40 years' experience diagnosing and treating hair loss conditions, Gary has helped thousands of clients understand their condition and find the right treatment path.
- 40+ specialist experience in trichology
- Diagnosis-first approach to treatment planning
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