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ghdFine Hair Thickener
Product Description
Plump fine and thin hair with this lightweight heat-activated leave-in treatment spray with a strand thickening effect1 which creates instantly thicker and fuller2 hair with boosted strand diameter.3 Apply to wet hair and partner with the revolutionary 2-in-1 hair dryer brush, ghd duet blow-dry, to create an easy and smooth blow dry with no heat damage.4
1Vs naturally dried fine hair. 2Consumer testing, Sep'23. 77% of 97 women agreed ghd rehab makes hair instantly thicker-feeling and 80% agreed it makes hair instantly fuller-feeling, vs before using rehab and heat styling. 3Consumer testing, Sep'23. 72% of 97 women agreed ghd rehab creates healthier-feeling hair, vs before using rehab and heat styling. 4No thermal hair damage detected after 100 cycles of 4 passes on thoroughly towel-dried hair.
1Vs naturally dried fine hair. 2Consumer testing, Sep'23. 77% of 97 women agreed ghd rehab makes hair instantly thicker-feeling and 80% agreed it makes hair instantly fuller-feeling, vs before using rehab and heat styling. 3Consumer testing, Sep'23. 72% of 97 women agreed ghd rehab creates healthier-feeling hair, vs before using rehab and heat styling. 4No thermal hair damage detected after 100 cycles of 4 passes on thoroughly towel-dried hair.
Directions
Hair Spray
Ingredients
Aqua (Water, Eau), PVP, Polysorbate 20, Chitosan, Phenoxyethanol, Parfum (Fragrance), PEG-40 Hydrogenated Castor Oil, Ethylhexylglycerin, PEG-60 Hydrogenated Castor Oil, Polysorbate 80, Formic Acid, Disodium EDTA, Limonene, Linalool, Alpha-Isomethyl Ionone, Hexyl Cinnamal, Citronellol, Coumarin, Citral, Tocopherol
This list of ingredients may be subject to change, please consult the packaging of the product purchased.
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Rated 5 out of
5
by
simba2585 from
Fuller Hair in a Few Sprays
[This review was collected as part of a promotion.] I have fine hair, and this spray is genuinely impressive. I use 1–2 mists on towel-dried hair after a shower, then brush it through and let it sit for a few minutes. I follow up by blow-drying my hair while running my fingers through it.
The results are almost immediate. My hair feels noticeably fuller and more volumised, creating the appearance of thicker strands. Of course, it won’t grow new hair or increase actual hair density, but it does add significant body and helps eliminate that limp, flat feeling fine hair often has. This makes styling much easier.
I’ve been using it daily for a couple of weeks now, and with just a couple of mists per day, I’ve used around 10% of the 95ml bottle. At this rate, it should last several months, which is great if cost is a factor.
It does leave the hair feeling a little dry, but nowhere near as dry as styling powders I’ve tried in the past.
The bottle itself is small, attractive and feels very sturdy, making it ideal for packing when travelling or going on holiday.
The scent is also worth mentioning — it’s fresh and pleasant, without any harsh chemical smell. It actually smells quite professional or premium, which is a nice touch.
I won’t comment on price, as I received this product as a free sample to test. What I can confidently say is: this product works.
Pros:
Adds instant volume and fullness to fine hair
Helps create the look of thicker, more bodied hair
Makes limp hair easier to style
Easy, lightweight application (1–2 mists go a long way)
Economical usage — long-lasting bottle
Less drying than styling powders
Fresh, pleasant, premium-smelling fragrance
Attractive and sturdy packaging — travel-friendly
Noticeable results from the first use
Cons:
Slightly drying on the hair (though better than powders)
Doesn’t increase actual hair density
Cost not assessed (as product was a sample)
Date published: 2025-10-09
Rated 5 out of
5
by
Katie79 from
Excellent Product!
[This review was collected as part of a promotion.] This product is brilliant. As a regular user of the GHD heat defence spray, this one definitely did not disappoint. It has a really nice smell and does what it says, makes my shoulder length fine hair look thicker and from the very first use. I've had many compliments so this will definitely be a product I'll buy again and again. Give it a try, you won't be disappointed!
Date published: 2025-10-06
Rated 5 out of
5
by
Dancingmeggy from
Amazing result
[This review was collected as part of a promotion.] I received this complimentary from GHD in exchange for my honest review and it's great! I have really fine, flyaway hair and up to now nothing has tamed those pesky split ends. The bottle itself has a sleek elegant design in black and silver which would look great on any dressing table. You need to use this spray on towel dried hair, it does come out quite a bit so best to hold a bit further away from your head to distribute it a bit better. Comb through to the ends and style hair as normal. Now this is where the magic happens... My hair was fuller in appearance and no signs of any split hairs! The scent of this product is a lovely light floral and lasts in your hair all day. This is definitely going to become a permanent fixture in my haircare routine as my hair looks so much healthier now!
Date published: 2025-09-26
Rated 5 out of
5
by
Lia_K from
Game changer
[This review was collected as part of a promotion.] I have naturally fine, flat hair that tends to fall limp within hours of styling, so I anm always on the hunt for something that gives me extra volume without weighing my hair down. The ghd Rehab Fine Hair Thickener absolutely delivered!
From the first use, I noticed a difference. The product has a lightweight, almost creamy texture, and it spreads evenly through damp hair without feeling sticky or heavy. I used it before blow-drying (as recommended since it is heat-activated), and the result was noticeably fuller, bouncier hair that still felt soft and natural to the touch.
What I love most is that it doesn’t make my hair greasy or stiff like some other volumizing products. Plus, the fact that it also acts as a heat protectant is a huge bonus — one less product to apply! My ends feel healthier, and my style lasts much longer throughout the day.
Highly recommend this if you have fine or flat hair and want something that actually works without buildup or residue. A little goes a long way, so the bottle will last too. I love the scent of this too it is divine.
Date published: 2025-09-21
Rated 4 out of
5
by
Vicky291 from
A product that works!
[This review was collected as part of a promotion.] I have tried lots products to help my fine with little success, most work great the first couple of hours but then leave my hair flat quickly greasy. This thickener really did produce results, gave the heavier appearance I was looking for and my roots the volume it needed. I was pleasantly surprised that for the next two days I could still style and go with no greasiness. The smell is unique and really nice. I also like the packaging and size but would prefer it a lower cost (or bigger bottle). One star off as downsides for me is it gives a straw feel but thats what adds the texture / thickness and my hair get very tangled throughout the day, especially if slept on. I would recommend anyone with fine hair to try this product if nothing has worked for you in the past. I will definitely continue to use it.
Date published: 2025-09-18
Rated 5 out of
5
by
Kaz333 from
Does what it says!
I have been struggling with menopausal hair loss and have tried so many different products. This spray is amazing. I blow dry my hair upside down and this has dramatically increased the fullness which covers where my hair has thinned the most. Having used GHD products before I know that they are excellent quality and good for the hair. Another triumph from a very trusted brand.
Date published: 2025-08-29
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