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Avaiability: Out Of Stock

A light, fast-absorbing hair thickening spray that lifts each root and thickens every strand. The result? Thick, bouncy hair that’s full of life.



  • Contains keratin for an instant thickening effect
  • Formulated with niacinamide, which helps to soothe and nourish the scalp
  • Contains green tea, which helps protect hair against free radical damage
  • Vitamin B5 encourages healthy hair growth, while acting as a moisturizer for the hair and scalp
  • Light, non-greasy formula
  • Heat activated proteins protect against damage from blow-drying
  • Can be applied on wet or dry hair
  • Suitable for Minoxidil users
  • Free from parabens, SLS and formaldehyde donors

Out of stock

root boost hair thickening sprayDESCRIPTION

Thick, bouncy hair that’s full of life

Fed up with dull, flat and lifeless hair? If so, Nanogen has the answer: Root Boost Hair Thickening Spray; a salon blow dry in a bottle. Nanogen’s easy to use spray is designed to add instant thickness and volume to your hair in just a few sprays.

Nanogen’s scientifically formulated Root Boost Hair Thickening Spray contains keratin, lifting polymers and a thickening combination of caffeine and soothing niacinamide to care for your scalp. Heat activated proteins protect against damage from blow-drying and give your hair extra volume.


STEP 1: Simply spray onto your damp roots for an intense root lift and boost.

STEP 2: Additionally, spray throughout your hair lengths, for maximum fullness throughout.

STEP 3: You can leave to dry naturally, or blow dry your hair to give your hair envy inducing oomph.

STEP 4: For best results, use every time you wash or style your hair. Re-apply daily and/or during the day for a quick extra volumizing boost!


Do you test on animals?

Nanogen are against animal testing and no finished Nanogen products are tested on animals.

Do your products contain parabens?

While we do not believe parabens are harmful, we understand that some people are concerned about using them. Therefore, our entire product range is paraben free.


  1. 100% of 100


    Love it!

    I have recently started using the root boost spray &hi love it ,apart from making my hair feel thicker it is lovely & shiny as well ..I also use the Nanogen shampoo & conditioner & would recommend them both .

  2. 100% of 100


    Better than expensive products!

    Root boost is great on my very fine, shoulder length hair. Certainly better than lots of other more expensive products. I’m a huge fan of Nanogen products!

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