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"Turn up the volume with my multi award-winning Cool Girl collection. From fine hair to hair that just wants more texture, body and root lift, these products will boost your mood as much as your hair. And give you fuller, thicker-looking hair that lasts."
- Sam McKnight


"Turn up the volume with my multi award-winning Cool Girl collection. From fine hair to hair that just wants more texture, body and root lift, these products will boost your mood as much as your hair. And give you fuller, thicker-looking hair that lasts."
- Sam McKnight

COOL GIRL VOLUME CARE COLLECTION

Get bigger, healthier hair in the shower

*Formulated with Voluminis™, clinically proven to build up to 30% more thickness and volume whilst hydrating, nourishing and repairing hair

Cool Girl Volume Shampoo
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Cool Girl Volume Shampoo

£28

ANY TWO SHAMPOOS AND CONDITIONERS FOR £50

  • Body-boosting shampoo with Voluminis™ clinically proven to add instant volume, body and thickness*
  • Hydrates and nourishes leaving hair soft, smooth and shiny 
  • Kind to Scalp promoting a healthy microbiome and hair growth, certified Kind to Biome® 

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Cool Girl Volume Conditioner
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Cool Girl Volume Conditioner

£28

ANY TWO SHAMPOOS AND CONDITIONERS FOR £50

  • Clinically proven to nourish and protect with body-boosting Voluminis™ for instant thickness and volume*
  • Repairs and strengthens hair with fermented Rice Water, rich in proteins and antioxidants
  • Weightless formula recommended for all hair including fragile, thirsty, dehydrated or damaged

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Bigger Love Cool Girl Volumising Treatment Mask
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Bigger Love Cool Girl Volumising Treatment Mask

£52

Sheerluxe Best New Beauty Buys "hair has a bouncier more voluminous feel – the type you get after a really good blow-dry"

  • Restores hair health whilst boosting volume* and thickness with Voluminis™ from your first use
  • Clinically proven to repair and strengthen hair by up to 10x in 6 uses and mend split ends in one use
  • Enriched with Vegan Keratin and Squalane for luxuriously softer, smoother and healthier hair

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NEW! COOL GIRL VOLUME EDIT

£38 £48
Cool Girl Volume Edit
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Cool Girl Volume Edit

£38

Featuring The Winner of Cosmopolitan Best Dry Volume Spray 2023 and New scientifically proven volumising haircare

  • Sam’s best-selling trio of volumising hair heroes for Cool Girl hair on the go
  • Cool Girl Volume Cleanse & Nourish are clinically proven to add volume, body & thickness whilst restoring hair health
  • Cool Girl Texture Mist adds instant soft texture and volume for Sam’s signature ‘done/undone’ look

COOL GIRL VOLUME STYLE COLLECTION

Take your hair to new heights with Sam's volume-boosting styling formulations

Cool Girl Barely There Texture Mist
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Cool Girl Barely There Texture Mist

£27

Our most award-winning product! Winner of Cosmopolitan Best Dry Volume Spray 2023

  • An instant dry styler, the volumizing texturiser for Sam’s signature 'done, undone' look
  • For lasting effortless, tousled styles with volume and enhanced texture
  • Mist into roots and through hair. Lightweight and brush-out-able, so you can restyle with ease.

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Cool Girl Superlift Volumising Spray
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Cool Girl Superlift Volumising Spray

£26

As featured by India Knight in The Sunday Times "ka-boing the volume of your dreams"

  • Gives lift at the roots for visibly fuller and more voluminous hair
  • Holds and protects against humidity
  • Spray lightly into roots and blow dry lifting them up

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Cool Girl Volume Foam
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Cool Girl Volume Foam

£32

Stylist Best Beauty Winner 2024 "the transformation after I blow-dried my hair with this mousse was amazing"

  • For all over soft volume and lasting fuller, thicker looking hair
  • Heat protecting and shine-boosting weightless formula
  • Apply to freshly washed, damp hair, comb through and blow dry

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YOUR GUIDE TO ULTIMATE VOLUME

Care
Sep 14, 2023
THE SCIENCE BEHIND: VOLUMINIS™

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

Cool Girl
Feb 28, 2023
SAM’S GUIDE TO VA VA VOLUME DO's

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

Feb 23, 2023
The volumising spray gives hair just the right amount of oomph, according to India Knight
Flat hair is always with us, and it is not flatter...

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Light Cleanse Hair and Scalp Shampoo Mini
36 reviews
£16.00
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SAM ALSO RECOMMENDS ...

Buy 2 or more shampoo or conditioners and save 10%

Buy 2 or more shampoo or conditioners and save 10%

Buy 2 or more shampoo or conditioners and save 10%

Buy 2 or more shampoo or conditioners and save 10%

Light Nourish Conditioner
34 reviews
£16.00 £14.24
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Rich Nourish Conditioner
24 reviews
£16.00 £14.24
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Rich Cleanse Nourishing Shampoo
37 reviews
£16.00 £14.24
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Light Cleanse Hair and Scalp Shampoo
36 reviews
£16.00 £14.24
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Cool Girl Volume Shampoo Sample
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Light Nourish Conditioner Sample
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Rich Cleanse Nourishing Shampoo Sample
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Curl Cleanse Cleansing Conditioner Sample
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Happy Endings Nourishing Balm Sample
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