Root Boost Hair Thickening Spray with Sun Damage Protection

Blow dry in a bottle. Our iconic hair thickening spray now with added sun damage and colour fade protection.
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Availability: In stock


  • Specially tested to not to affect the penetration of Minoxidil or any other topical treatment.
  • Light, non-greasy formula in an easy to use spray.
  • Lifts each root, thickens every strand, soothes and cares for the scalp.
  • Detangles and prevents breakages and acts as a solar shield for your hair.
  • Keratin: A natural thickening protein designed to provide your hair with an instant thickening effect.
  • Phenylbenzimidazole Sulfonic Acid: To protect hair from UVA and UVB radiation.
  • Green Tea: Featuring strong antioxidant and anti-inflammatory properties which help keep the hair in good condition while protecting from free radical damage. Provides a soothing effect for the hair and scalp by reducing the risk of irritation.
  • Dermatologically tested, free from parabens, SLS and formaldehyde donors.
Summer Root Boost


The answer to thick, protected and nourished hair. Adds instant thickness and volume while caring for your hair and scalp. Contains unique ingredients, which help maintain colour in treated and natural hair while protecting from harmful sun damage.

Expert tip:

Spray Root Boost into the palm of your hands and run through the length of your hair where extra volume is needed.


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 volumising 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.

How secure are my payments?

All card payments are processed by Sage Pay giving you the highest level of card data security available. We also accept payment via PayPal, helping you complete your purchase safely and hassle free. We only keep your delivery details and order history to help track orders, not your card details. All your data is kept completely confidential. We will never share or sell your information to a third party.

Customer Reviews

  • Quality
    F.A.N.T.A.S.T.I.C. Product!!!
    Review by on
    After only using his a few times I am placing an order for 2 more bottles!
    I have short, flat, lifeless hair which I like to style funky, choppy and a bit of what I like to call 'organised messy' and this spray has given my hair a new lease of life, it even feels thicker and so much easier to style.

    I will be using this for a long time.
    Amazing product!!!

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