Dry or itchy scalp

An itchy scalp is a symptom rather than a diagnosis. The NHS says itchy skin is usually nothing serious and often settles with self-care within a few weeks — but it's worth thinking about the cause: dandruff, a reaction to a product such as hair dye, scalp psoriasis, eczema, head lice or, in children, scalp ringworm.

Start with the simple things: stop any new product, choose unperfumed options, rinse well and try not to scratch.

Common signs

• Itching, tightness or stinging on the scalp
• Flakes, redness or a rash
• Symptoms that started after a new shampoo, dye or styling product

What usually helps

• If the itch started after a new product or hair dye, stop using it and see if it settles (NHS contact dermatitis advice).
• Choose unperfumed products where you can, and rinse shampoo and conditioner out thoroughly.
• Check for head lice with a detection comb if anyone in the family is scratching.
• Use lukewarm rather than hot water, and don't over-wash — washing too often can dry the scalp (British Association of Dermatologists).
• Before hair dye, test it as the packet instructs at least 48 hours beforehand, and wear gloves (NHS).

Washing: Wash with lukewarm water and a gentle shampoo; if there are flakes too, try an anti-dandruff shampoo for up to 4 weeks.

Build your routine with this concern →

Read the full guides

• Dry or itchy scalp: common causes and gentle fixesAn itchy scalp is usually nothing serious, but it has lots of possible causes — from dandruff and product reactions to psoriasis and head lice. How to narrow it down, wh…
• Dandruff: causes, shampoos that help and when to see a GPDandruff is common, harmless and not catching — and it isn't caused by poor hygiene. Here's what the NHS and dermatologists say helps, how to use anti-dandruff shampoo p…
• Scalp psoriasis: what it is and how it's treatedRaised, scaly, itchy patches on the scalp that can spread past the hairline and behind the ears. It's common, not contagious and can't be cured — but treatments can keep…
• Head lice and nits: how to check and treat themHead lice are very common in children and have nothing to do with dirty hair. How to check properly with a detection comb, wet combing step by step, which pharmacy treat…
• Colour-treated and bleached hair: safer dyeing and aftercareHair dye reactions are fairly common, so the NHS advises testing a dye at least 48 hours before you use it. How to dye more safely, why bleached hair behaves differently…

Ingredients worth knowing

• Ketoconazole Evidence: StrongAntifungal medicine in shampoos for dandruff and seborrhoeic dermatitis
• Salicylic acid Evidence: LimitedLoosens and lifts scale in anti-dandruff shampoos and scalp treatments
• Glycerin Evidence: CosmeticHumectant that helps products hold water; adds slip and softness
• Sulfates (SLS and SLES) Evidence: CosmeticThe main cleansing and foaming detergents in most shampoos

Not medical advice. This guide is general information from the sources listed, not a diagnosis or a substitute for a pharmacist, GP or dermatologist. If you are worried, or symptoms are severe or not improving, get advice. Read our health information policy.

Sources

1. NHS – Itchy skin nhs.uk
2. NHS – Contact dermatitis nhs.uk
3. NHS – Hair dye reactions nhs.uk
4. British Association of Dermatologists – Caring for Afro-textured hair bad.org.uk