Skip to product information
1 of 4

The London Brow Company

London Brow Keratin Brow & Lash Boost Serum

London Brow Keratin Brow & Lash Boost Serum

Regular price £24.99
Regular price Sale price £24.99
Sale Sold out
VAT included. Shipping calculated at checkout.
Bundle and Save
Quantity

The Aftercare Secret Your Brows & Lashes Have Been Waiting For

Support healthy hair growth and shine with the London Brow Keratin Brow & Lash Boost Serum, specially designed for post-lamination and lash lift aftercare. This multi-purpose serum strengthens, hydrates, and restores, giving your brows and lashes the ultimate daily nourishment they need to thrive — whether you've just had a treatment or want a natural beauty boost.

Formulated with a blend of keratin proteins, hyaluronic acid, plant-based oils, and powerful botanical extracts, this serum enhances hair health, reduces breakage, and leaves a sleek, glossy finish.

What's Inside

1 x Boxed Keratin Brow & Lash Boost Serum (full-size)

Key Benefits

  • Strengthens & Protects – Rebuilds hair structure post-treatment with keratin and protein-rich ingredients
  • Deep Hydration – Hyaluronic acid and sunflower seed oil lock in moisture and smooth hair texture
  • Enhances Shine & Shape – Creates a naturally lifted, polished look with every use
  • Multi-Use – Apply to brows and lashes daily or use as an overnight deep conditioning treatment
  • Gentle & Effective – Suitable for all skin types and safe for daily use around the eyes

How to Use

  • After Lamination/Lash Lift: Apply within 4 hours of treatment to seal, soothe, and protect
  • Daily Routine: Brush gently through brows and lashes once per day to maintain hydration and structure
  • Overnight Treatment: Apply before bed for a deeply nourishing boost to support natural hair growth

Power Ingredients

  • Plant Keratin – Restores strength and resilience
  • Portulaca Oleracea & Chrysanthellum Indicum Extracts – Soothe and protect the skin and follicles
  • Sunflower Seed Oil & Sophora Flavescens Root Extract – Deliver nutrients and shine
  • Sodium Hyaluronate – Provides deep moisture retention without heaviness

Ideal Pairing

  • Use after your London Brow Lamination treatment for optimal aftercare
  • Combine with Lash Lifting to keep lashes lifted, glossy, and healthy
  • For best results, incorporate into your daily beauty routine as a standalone brow and lash conditioner

Vegan, Cruelty-Free & Made in the UK

Created by experts at London Brow, this serum is 100% vegan, cruelty-free, and ethically formulated without unnecessary chemicals. Safe, effective, and beautifully packaged — it's a must-have for professionals and at-home users alike.

Frequently Asked Questions

What does the London Brow Keratin Brow & Lash Boost Serum do?

It strengthens, hydrates, and nourishes brows and lashes using a keratin-rich formula. It's designed to restore hair structure after lamination or lash lift treatments and can also be used daily as a standalone conditioner.

Is this serum suitable for sensitive skin?

Yes. The formula is gentle, ophthalmologist-friendly, and suitable for all skin types, including sensitive skin. It is safe for daily use around the delicate eye area.

How soon after a brow lamination or lash lift should I apply it?

Apply within 4 hours of your treatment to seal and protect the hair cuticle. For ongoing care, use once daily as part of your morning or evening routine.

Can I use this serum if I haven't had a professional treatment?

Absolutely. The serum works brilliantly as a standalone daily conditioner to improve the appearance, strength, and shine of natural brows and lashes without any prior treatment.

Is the London Brow Keratin Serum vegan and cruelty-free?

Yes — it is 100% vegan, cruelty-free, and made in the UK by London Brow's team of professional beauty experts.

Give your brows and lashes the nourishment they deserve with the Keratin Brow & Lash Boost Serum. One product, daily care, visible results.

Ingredients

View full details

Enjoy shopping online?

Take a look at our sister website, PROLENO, for all your bathroom, kitchen & home accessories and take advantage of our NEW CUSTOMER DISCOUNT!

Use voucher code: TSL10 at checkout

Shop at PROLENO