Quick answer: the best shampoo for an itchy scalp is a gentle, dermatologically tested formula with soothing plant extracts and a mild cleansing base, the same things that suit a sensitive scalp. Use lukewarm water, rinse thoroughly, and add a soothing leave-on treatment if your scalp feels red or sore. If your itchy scalp is flaky, it may be dandruff instead. If itching is severe, persistent or comes with a rash, see your GP or pharmacist.
Why is my scalp so itchy?
A sensitive scalp can feel tight, itchy, prickly or hot, and may look red. Common triggers include harsh or very frequent washing, product build-up, hot water, heat styling, colour services, stress, changes in the weather and dry indoor air. Sometimes an itchy scalp is actually dandruff or a dry scalp; our guide to dandruff explains how to tell the difference.
What to look for in a shampoo for an itchy or sensitive scalp
- Dermatologically tested on sensitive skin: a sign the formula has been checked for tolerance on reactive skin.
- Soothing botanicals: calming extracts such as aloe, mallow, prickly pear, quince or pumpkin.
- A gentle cleanse: enough to remove oil and build-up without leaving the scalp tight.
- Certified natural formulas: COSMOS Natural certification sets strict standards for ingredients and processing.
- A matching routine: a conditioner and mask from the same range, so you're not layering lots of different formulas on a reactive scalp.
Insight's shampoos for an itchy, sensitive scalp
Both of our soothing scalp ranges are together in one place: shop Itchy & Sensitive Scalp.
For an everyday sensitive scalp: Sensitive
The Sensitive range is made for sensitive scalps and all hair types. Sensitive Scalp Shampoo, Conditioner and the weekly Sensitive Scalp Hair Mask use organic quince and pumpkin extracts to help soothe irritation and prevent redness. The range is COSMOS Natural certified and dermatologically tested on sensitive skin.
For a red, sore or irritated scalp: Lenitive
When your scalp is actively red, itchy or sore, the Lenitive range goes further. Dermo-Calming Shampoo is an extremely gentle, skin-friendly shampoo for irritated and allergy-prone scalps, and Scalp Comfort Cream is a leave-on treatment that brings instant freshness and comfort, with no need to rinse. Both use a phytocomplex of organic prickly pear, aloe and mallow, and are COSMOS Natural certified.
Itchy scalp but no dandruff?
If your scalp itches but you can't see any flakes, the most likely culprit is a sensitive or irritated scalp rather than dandruff. Common triggers include a new product, colour or bleach services, hot water and heat styling, product build-up, stress and dry indoor air. Anti-dandruff shampoos aren't designed for this, so choose gentle, soothing care instead: Dermo-Calming Shampoo and the leave-on Scalp Comfort Cream for an actively itchy, red scalp, or the Sensitive range for everyday sensitivity.
If your scalp started itching straight after a colour service, tell your colourist, and seek medical advice if you notice swelling, burning or a rash.
Tips for calming an itchy scalp
- Wash in lukewarm water, not hot.
- Massage gently with your fingertips. Don't scratch with your nails.
- Rinse thoroughly so no shampoo or conditioner is left on the scalp.
- Keep conditioner and masks on the lengths, not the roots, unless the product is made for the scalp.
- Keep heat tools and hairdryers on a lower setting, and don't point them directly at the scalp.
- Patch test any new product if your skin is very reactive.
When to see a professional
See your GP, pharmacist or a dermatologist if your scalp is very itchy, painful, weeping, bleeding or scaly, if you notice patches of hair loss, or if symptoms don't improve after a few weeks of gentle care. These can be signs of a skin condition that needs proper diagnosis and treatment.
Shop all itchy & sensitive scalp care.
Frequently asked questions
What is the best shampoo for an itchy scalp?
Choose a gentle shampoo that has been dermatologically tested on sensitive skin and contains soothing botanicals. Insight's Dermo-Calming Shampoo is made for itchy, red or irritated scalps, and Sensitive Scalp Shampoo suits everyday sensitive scalps. If you have flakes too, try Purifying Shampoo, which has tested efficacy against dandruff.
Can a shampoo cause an itchy scalp?
Yes. Some people react to certain ingredients, and any shampoo can irritate if it isn't rinsed out properly. If your scalp started itching after switching products, go back to what you used before and see if it settles.
Is a sulphate-free shampoo better for a sensitive scalp?
Not automatically. Some people with sensitive skin prefer sulphate-free formulas, but tolerance depends on the whole formula, not one ingredient. A shampoo dermatologically tested on sensitive skin is a good starting point. Browse our sulphate-free shampoos if you'd like to compare.
Can children use Sensitive Scalp Shampoo?
Yes. Sensitive Scalp Shampoo is suitable for children.
How often should I wash a sensitive scalp?
As often as you need to keep it clean and comfortable. Both too much and too little washing can irritate, so find the rhythm that keeps your scalp calm.
About the author
Charlotte Read has spent six years in the hair industry with Insight Professional and holds a First Class BSc in Business Management and Marketing. She writes with reference to real salons across social media and the wider Insight community, and draws on the Insight office team, who between them bring over 100 years of combined experience on salon floors.
Where technical expertise is needed, Charlotte consults Lorraine Matic, Head of Insight UK Education, who brings over 38 years of global experience in colour, technique and hair science.