The skin & wellbeing journal

Hair & Scalp

Information about hair, scalp concerns and everyday care.

Start here

Hair Dye Allergy: Why Manufacturer Allergy Tests and Medical Assessment Differ

Understand why manufacturer allergy checks, hair strand tests and dermatologist patch testing answer different questions.

Prepare for a hair-loss appointment with a concise timeline, medicine list, useful photographs and questions about diagnosis, tests and follow-up.

Assess low-level light devices for hair loss by checking diagnosis, research, model-specific evidence, safety instructions and the full commitment.

Review PRP hair-loss evidence, preparation differences, possible adverse effects and questions about diagnosis, alternatives, maintenance and cost.

Assess hair-supplement claims, distinguish deficiency treatment from routine use and understand why biotin matters when arranging blood tests.

Prepare for a minoxidil discussion with a pharmacist, including the cause of hair loss, product-specific precautions and ongoing treatment review.

Review heat settings, repeated styling and combined processing, with practical ways to reduce hair damage and recognise concerns needing assessment.

Build a manageable curly or coily hair routine with gentle detangling, scalp cleansing, lower-tension styling and advice on when to seek assessment.

Decide whether clarifying shampoo fits your routine, distinguish residue from scalp symptoms and avoid unnecessary cleansing or irritation.

Ask a pharmacist about dandruff shampoo ingredients, contact time and hair texture, and recognise when persistent scalp symptoms need assessment.