Hairburst Advanced+ Leave-In Treatment
Hairburst Advanced+ Leave-In Treatment
Hairburst Advanced+ Leave-In Treatment
Hairburst Advanced+ Leave-In Treatment
Hairburst Advanced+ Leave-In Treatment
  • New
  • Visibly thicker hair in 90 days

Advanced+ Leave-In Treatment

Rebuild, Repair & Revive.
Break up with your conditioner - Our Advanced+ Leave-In Treatment works to repair and rebuild your hair bonds, strengthening each strand to reduce breakage and improve overall resilience. Enriched with Kerasylium™, SymProt’in™ Oat peptides, ProCondition™ 22, and KeraSym™ Shield, it penetrates deep to restore damaged hair while protecting against heat and environmental stressors. The result is healthier, stronger hair that feels smooth, manageable, and full of life.

£38.99
  • Rebuilds broken bonds and reinforces the hair fibre structure.
  • Helps reduce hair fall caused by damage and styling stress.
  • Reduces breakage by up to 51% and split ends by up to 69%.
  • Delivers 230°C thermal protection for everyday styling.
  • Leaves hair soft, manageable, and full of shine.
  • Formulated without sulphates, silicones and parabens.
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Standard delivery £4.99 or free over £35.
Priority delivery £5.99 or free over £55.

Advanced+ Leave-In Treatment

  • New
  • Visibly thicker hair in 90 days
Rebuilds bonds, reduces fall-out, and defends against daily stressors.
Hairburst Advanced+ Leave-In Treatment

Powered by clinically proven ingredients

A breakthrough bond-repair treatment formulated to restore damaged hair, reduce breakage, and protect against daily stressors. This science-backed mask supports long-term strength and resilience from the inside out.

  • Repairs Broken Hair Bonds

    Targets internal damage to rebuild and reinforce the hair’s natural structure, leaving strands stronger and less prone to breakage.

  • Reduces Breakage & Split Ends

    Clinically proven to reduce breakage by up to 51% and split ends by up to 69%, helping hair stay healthier between trims.

  • Delivers Long-Lasting Heat Protection

    Shields hair from styling tools with thermal protection up to 230°C, preventing future damage while preserving strength.

  • Protects Against Environmental Damage

    Creates a protective barrier to defend hair from daily exposure to pollution, UV, and external stressors.

  • Strengthens & Smooths

    Improves manageability and shine, making hair feel softer, smoother, and visibly healthier after every use.

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Got questions? We’ve got answers.

Still unsure? Visit our help centre or reach out to our customer support team on [email protected]  and they will be happy to assist you with any questions or guidance you need to kickstart your hair growth journey.

What are your delivery options?
  • Orders over £45 qualify for free shipping. 
  • Standard delivery (3-4 working days) - £4.99
  • Next day delivery (placed before 3pm) - £6.49 or £1.50 for orders over £45

Please note: Delivery times may vary during sales and bank holidays.

What is your return policy?

You can return your Hairburst products within 28 days of purchase. Exceptions may apply if you’ve contacted us about a specific issue—each case is handled individually.

To ensure your return is accepted, please make sure the safety seal has not been removed and the products are unopened and undamaged.

When returning your items, include a note with your order number and reason for return. Refunds will be processed as soon as we’ve received your return. Want to speed things up? Simply email a photo of your postage receipt to [email protected] so we can start processing your refund while your package is on its way.

What is the 90-day money-back guarantee?

We stand by our science — and your results. If you’ve taken Hairburst consistently for 90 days and haven’t seen visible improvements, we’ll give you your money back. No hassle, just real confidence in what we deliver. For further information click here.