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Cool Girl Volume Shampoo Sample – 30% More Hair Volume with Voluminis™

(5 customer reviews)

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Gain up to 30% more volume and thickness with Hair by Sam McKnight’s volume shampoo.

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Cool Girl Volume Shampoo Sample

Take your cleansing routine to new heights with our science-backed, Kind to Biome® certified volume shampoo. Formulated with hair volumising and thickening active Voluminis™, hydrating Pro-Vitamin B5 and protein-packed Fermented Rice Water to soothe, strengthen and restore shine.

Voluminis™ gives up to 30% more volume and thickness

95% users said their hair had more body and shine

80% experienced immediate fullness, root lift and more voluminous hair

Key Ingredients Benefits
Voluminis™ Provides up to 30% more volume and thickness
Pro-Vitamin B5 Hydrates and improves hair shine
Fermented Rice Water Strengthens hair and restores softness

FAQ

How long does it take to see visible volume improvement after using the shampoo?

Most users report immediate fullness and root lift after the first use. Long-term volume and thickness benefits are typically noticed after consistent use over several weeks.

Is this shampoo suitable for all hair types?

Yes, this shampoo is designed for all hair types, especially those looking to add volume and body. It works well on fine, thin, and average hair textures.

Does the shampoo contain any parabens or sulfates?

No, this shampoo is free from parabens and sulfates. It is formulated with natural and biocompatible ingredients to support a healthy hair biome.

5 reviews for Cool Girl Volume Shampoo Sample – 30% More Hair Volume with Voluminis™

  1. Piers Hill –

    I’ve tried several volume shampoos, but this one delivers real results. My hair feels fuller and looks more structured after just one use. The scent is light and pleasant, and it doesn’t leave my hair dry or brittle.

  2. Ava Clark –

    After switching to this shampoo, I noticed a significant lift at the roots. My hair appears thicker and more voluminous, especially when I style it. The Fermented Rice Water makes it feel softer and healthier.

  3. Angela Mackay –

    It works well for my fine hair. I see more body and shine after washing. The texture is smooth and doesn’t feel heavy. A little goes a long way, and it’s a great sample for trying before committing.

  4. Karen Ferguson –

    I used it twice in a row and my hair has a noticeable fullness. The Pro-Vitamin B5 keeps it hydrated, and the volume boost is consistent. No irritation or dryness reported.

  5. Adam Dowd –

    The volume effect is immediate and lasts through the day. I don’t need to use heavy styling products anymore. My hair feels stronger and more resilient after each wash.

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