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Cool Girl Volume Cleanse Shampoo - Hair by Sam McKnight
Cool Girl Volume Cleanse Shampoo - Hair by Sam McKnight
Cool Girl Volume Cleanse Shampoo

Marie Claire's Best Volumising Shampoo 2024

From £16.00
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4.8 (79)
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Cool Girl Volume Foam - Hair by Sam McKnight
Cool Girl Volume Foam - Hair by Sam McKnight
Cool Girl Volume Foam

Stylist Magazine's Best Volume Mousse 2024

£28.00 £32.00
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Cool Girl Superlift Root Volumising Spray - Hair by Sam McKnight
Cool Girl Superlift Volumising Spray Mini - Hair by Sam McKnight
Cool Girl Superlift Root Volumising Spray

WINNER Best Volumiser - Women's Health 2025

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BESTSELLING
Cool Girl Barely There Texture Mist - Hair by Sam McKnight
Cool Girl Barely There Texture Mist Mini - Hair by Sam McKnight
Cool Girl Barely There Texture Mist

Best Texture Spray 2025 - Harpers Bazaar

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4.9 (233)
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"SUPERSTYLIST, SAM MCKNIGHT, WHOSE PRODUCTS ARE UNIFORMLY EXCELLENT"

INDIA KNIGHT - SUNDAY TIMES STYLE
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SAM'S SIGNATURE BOMBSHELL VOLUME LOOKS

Did someone say big hair? For more of Sam's legendary looks, visit @sammcknight1

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Cool Girl Volume Cleanse Shampoo & Nourish Conditioner - Hair by Sam McKnight
Cool Girl Volume Cleanse Shampoo & Nourish Conditioner - Hair by Sam McKnight
Cool Girl Volume Cleanse Shampoo & Nourish Conditioner

Woman & Home Best Volumising Shampoo 2024

£49.00 £56.00
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Cool Girl Volumising Kit - Hair by Sam McKnight
Cool Girl Volumising Kit - Hair by Sam McKnight
Cool Girl Volumising Kit

Iconic stylers for effortless volume

£45.00 £54.00
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Shine Kit - Hair by Sam McKnight
Shine Kit - Hair by Sam McKnight
Shine Kit

Lasting smoothness and luminous shine

£46.00 £58.00
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SMOOTH & FRIZZ - FREE KIT - Hair by Sam McKnight
SMOOTH & FRIZZ - FREE KIT - Hair by Sam McKnight
SMOOTH & FRIZZ-FREE KIT

The perfect blow dry with heat protection

£50.00 £64.00
4.9 (145)
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MEET SAM

Iconic hairstylist Sam McKnight is renowned for creating the hair looks that every woman wants.

Sam is driven by a desire to make everyone look and feel beautiful. His ethos has attracted an unparalleled list of celebrity clients including Jodie Comer, Cate Blanchett, The Hadid Sisters, Kate Moss, Kendall Jenner, Emilia Clarke, Cara Delevingne, Priyanka Chopra-Jonas, Lady Gaga, Naomi Campbell, Tilda Swinton and, of course, Sam was Princess Diana’s private hair stylist for seven years. 

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SAM'S JOURNAL

WHY HAIR HOLDS FRAGRANCE BETTER THAN SKIN
Sep 17, 2025
WHY HAIR HOLDS FRAGRANCE BETTER THAN SKIN

It’s not magic - it’s science. While skin is the traditional can...

7 REASONS TO LOVE A HAPPY ENDING
Happy Endings
Jul 12, 2025
7 REASONS TO LOVE A HAPPY ENDING

Looking for your smoothest hair ever? This care-meets-style defr...

YOUR VOLUME QUESTIONS ANSWERED
Jul 05, 2025
YOUR VOLUME QUESTIONS ANSWERED
A question I’m commonly asked, wherever I am in the world is how to...
THE SCIENCE BEHIND: VOLUMINIS™
Care
Apr 14, 2025
THE SCIENCE BEHIND: VOLUMINIS™

How to add Cool Girl volume to your hair is one of the questions...

SAM’S GUIDE TO VA VA VOLUME DO's
Cool Girl
Feb 28, 2025
SAM’S GUIDE TO VA VA VOLUME DO's

There’s nothing more confidence-boosting than a big, bold and vo...

HOW TO CARE FOR YOUR FINE HAIR
Sep 10, 2024
HOW TO CARE FOR YOUR FINE HAIR

Fine hair is often beautifully glossy with a naturally silky tex...

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Modern Hairspray Styling Mist with Heat Protection
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Deeper Love Intense Treatment Mask Sample
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Happy Endings Nourishing Balm - Hair by Sam McKnight
Happy Endings Nourishing Balm - Hair by Sam McKnight
Happy Endings Nourishing Balm

Defrizz and seal split ends

£28.00 £36.00
From £22.00
From £22.00
Curl Cleanse Cleansing Conditioner - Hair by Sam McKnight
Crème Cleanse - Hair by Sam McKnight
Curl Cleanse Cleansing Conditioner

Defrizzing and ultra-nourishing

£28.00 £34.00
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