Scalp Conditions Library:
Understand Your Scalp
Before Choosing a Shampoo or Treatment

Dandruff typically involves yellowish or oily flakes caused by Malassezia yeast overgrowth and sebum, often with itching and a greasy feel. Dry scalp produces smaller white powdery flakes from lack of moisture, often with tightness. Treatment differs — dandruff may need anti-fungal ingredients while dry scalp needs gentle hydration. A dermatologist evaluation helps if you are unsure. Results vary.

Scalp itching can result from dandruff, dry scalp, seborrheic dermatitis, product buildup, contact irritation, fungal infection, psoriasis, sweat, hard water or allergic reaction. Identifying the pattern — oily vs dry, flakes vs no flakes, redness vs none — helps narrow the cause. Persistent or severe itching warrants dermatologist evaluation.

Dandruff itself does not directly cause permanent hair loss, but significant scalp inflammation from seborrheic dermatitis can affect the scalp environment, and excessive scratching can cause mechanical damage. Managing the scalp condition typically reduces associated shedding. Doctor evaluation is recommended for persistent hair fall with scalp symptoms.

Excess scalp oiliness can result from overactive sebaceous glands, hormonal factors, overwashing triggering rebound oil production, heavy styling products, humidity or genetic tendency. A structured oily scalp routine with appropriate cleansing frequency and lightweight products may help manage it.

Yellow oily flakes are characteristic of seborrheic dermatitis — a chronic inflammatory scalp condition linked to Malassezia yeast overgrowth and excess sebum. Anti-fungal ingredients like ketoconazole or zinc pyrithione are commonly used. Doctor evaluation is recommended for recurrent or severe cases.

Seborrheic dermatitis is a chronic inflammatory skin condition affecting oily areas including the scalp. It causes yellowish oily flakes, itching, redness and recurrent dandruff. It is linked to Malassezia fungal overgrowth and tends to flare and remit. Management typically involves anti-fungal shampoos and consistent scalp care rather than a one-time cure.

Scalp psoriasis typically presents as thick silvery-white scales or plaques, often extending beyond the hairline onto the forehead, ears or neck. It may cause intense itching, soreness and sometimes bleeding when scales are removed. It is an autoimmune condition requiring dermatologist diagnosis and management. Self-diagnosis is unreliable.

Scalp bumps may result from folliculitis (bacterial or fungal infection of hair follicles), scalp acne, occlusive products blocking pores, ingrown hairs, or rarely more serious conditions. Painful, pus-filled or recurrent bumps should be evaluated by a dermatologist.

Yes. Minoxidil can cause scalp dryness, itching, flaking, redness or irritation in some users, particularly with alcohol-based formulations. Switching formulations, adjusting concentration, or adding a barrier repair routine may help. If irritation persists or worsens, consult your dermatologist before continuing.

There is no single best shampoo for everyone. The right choice depends on whether dandruff is dry or oily, its severity and underlying cause. Common active ingredients include ketoconazole, zinc pyrithione, selenium sulfide and salicylic acid. A dermatologist can recommend the most suitable option for your specific scalp type.

Frequency depends on severity and the active ingredient. Many anti-dandruff shampoos are used 2–3 times per week initially, with contact time of 3–5 minutes on the scalp before rinsing. Once controlled, frequency may be reduced. Over-use of medicated shampoos can cause dryness. Follow your dermatologist's guidance.

Applying oil to a dandruff-prone scalp can worsen seborrheic dermatitis by feeding Malassezia yeast, increasing oiliness and potentially blocking follicles. If you want to oil, use lightweight non-comedogenic options, apply sparingly and wash within a few hours. Avoid heavy oiling if dandruff is oily or inflammatory. Consult your dermatologist.

Salicylic acid helps with oil control and exfoliation. Zinc pyrithione and ketoconazole address oily dandruff. Tea tree oil may provide mild antimicrobial support. Gentle sulphate-free cleansers can reduce rebound oiliness. The right combination depends on whether oiliness comes with dandruff, itching or hair fall.

Gentle cleansers without harsh sulphates, hyaluronic acid, glycerin, ceramides and oat-based ingredients can help soothe and hydrate dry scalp. Avoiding over-washing, reducing hot water and minimising harsh styling products also help. If dryness is severe or accompanied by scaling, a dermatologist can identify whether it is simple dryness or a condition like psoriasis.

See a dermatologist if itching is severe, persistent beyond 2–3 weeks, accompanied by pain, pus, bleeding, patchy hair loss, spreading redness, thick scales, or if it does not improve with appropriate anti-dandruff or gentle scalp care. Scalp symptoms overlapping with hair fall also warrant evaluation.

Most common scalp conditions like dandruff, dry scalp and mild seborrheic dermatitis do not cause permanent hair loss. However, untreated scarring conditions such as lichen planopilaris, discoid lupus, severe fungal infections and chronic folliculitis can lead to permanent follicle damage. Early evaluation is key for unusual scalp symptoms.

No. The AI Scalp Test is an educational screening tool, not a medical diagnosis. It helps identify visible patterns and prepare relevant questions for a dermatologist. It does not replace clinical examination, dermoscopy or lab testing. For persistent, severe or painful scalp symptoms, see a qualified dermatologist.

Start with the guide matching your primary symptom. For flakes, start with Dandruff or Dry Scalp vs Dandruff. For itching, read Itchy Scalp. For oily roots, read Oily Scalp. For bumps, read Scalp Folliculitis. For redness and burning, read Red Scalp or Sensitive Scalp. Use the Pathway Finder or AI Scalp Test for directional guidance.