Really liked Nanogen root thickening spray it arrived well packed in a recyclable package which could be used again.First time useing this product arrived on time by delivery service .
Company replied
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Review summary
Based on reviews, created with AI
What people talk about most
Based on these reviews
Very helpful when my original order went to thecwrong address, sent a replacement immediately. Now l have the product, l am absolutely over the moon with it! Makes my hair look so muh better, meaning... See more
Company replied
I started using Nanogen a few months ago on the advice of my hairdresser and it has changed my life. The Nanogen fibres have made my hair look so much thicker and healthier giving me so much more conf... See more
This scalp serum is the best hair growth product I have ever got my hands on! The texture is not oily at all and is very quickly absorbed onto the hair, without leaving any residue. After using this... See more
Company replied
Company details
Written by the company
The Science of Thicker Hair. With over 20 years experience, we are proud to be the experts in hair fibres. Nanogen were the first to launch Hair Fibres in the UK and have a patented delivery system perfect for men and women suffering from hair loss. All purchases from Nanogen.com come with a 30 day money back guarantee.
Contact info
730 Centennial Park, elstree, WD6 3SZ, Hertfordshire, United Kingdom
- 02084582500
- hello@nanogen.com
- nanogen.com
4.5
Excellent
668 reviews
Replied to 95% of negative reviews
Typically replies within 1 week
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See how their reviews and ratings are sourced, scored, and moderated.
Doing exactly what is needed.thank you.
7 October 2025
Reply from Nanogen
Thank you for sharing your thoughts. As hair thickening experts, we always want to deliver on our promises, so it is wonderful to hear that our Nanogen products are doing want you need them to. Thank you!
Fabulous product
Very helpful when my original order went to thecwrong address, sent a replacement immediately.
Now l have the product, l am absolutely over the moon with it! Makes my hair look so muh better, meaning I feel so much better.
7 October 2025
Reply from Nanogen
Hi Sarra, Thank you for your review. We are so pleased our customer service team were able to help you and that you had such a good experience when shopping with us. It's wonderful to hear that our products have had such a positive impact. It makes the work we do here at Nanogen so worthwhile. Enjoy your products and all of your good hair days! Thanks again for your feedback.
Reply from Nanogen
Hi Robert, thank you so much for your feedback. We are very pleased to hear that you had such a positive experience when shopping with us. We hope you enjoy your Nanogen products!
Colour yellow !!Colour was supposed to be light blonde…
Colour was supposed to be light blonde but it was yellow ! Very disappointed, cannot use .
5 October 2025
Reply from Nanogen
Hi Lesley, we are sorry to hear that you are not happy with your Nanogen Hair Fibres. We know that our fibres are so loved and we normally receive such positive reviews, so much so that we offer a money back guarantee if you are not 100% satisfied with your results.
Please do get in touch and contact Claire on hello@nanogen.com and she will be able to help you with getting the colour matched correctly, or offering a refund if you have any issues.
We look forward to hearing from you.
Alopecia sufferer
I have alopecia and have been using this on a daily basis can’t live without it now . Thanks very much 👍
3 October 2025
Reply from Nanogen
Hi Elizabeth, thank you for your wonderful review. We are so pleased to hear that our products are having such a positive impact for you - it really makes the work we do at Nanogen so rewarding when we receive feedback like this. Thank you for sharing your experience.
I left a previous review and have since…
I left a previous review and have since been contacted by customer services whom have resolved my query.
9 October 2025
Unprompted review
Reply from Nanogen
Hi Bradley, We are so pleased that we were able to help you find your perfect Nanogen match. Thank you for your updated review. We always want our customers to be happy and supported, so we are really glad we were able to work together to resolve your concerns. Thank you for your feedback.
Reply from Nanogen
Thank you for your review. We are so pleased to hear that you have been using Nanogen for such a long time and that it continues to help you and your hair. This is what we want to hear! Thank you for continuing to support our small British brand.
Reply from Nanogen
Thank you for your review. We are thrilled to hear that you were able to discover the hair thickening effect that our Hair Fibres have. We really appreciate your feedback and hope you continue to enjoy using your Nanogen products.
Great every thing.
25 September 2025
Reply from Nanogen
Hi Anwar, this is exactly the sort of review we love to read! We are so pleased to hear that you have had such a positive experience when shopping with Nanogen. Thank you for sharing your feedback.
Does what it said it would do!
As usual, a perfect delivery with the correct item. Will use again.
7 September 2025
Reply from Nanogen
We are so pleased to hear about your positive experience. Thank you for sharing and for supporting our small British brand.
Reply from Nanogen
Thank you for sharing your feedback. We are so pleased that you are happy with your order.
Reply from Nanogen
Thank you for sharing your experience. We are so pleased to hear that you are happy with our products and our delivery service.
Reply from Nanogen
Thank you for your review. We are so pleased that you had such a positive experience when shopping with Nanogen. We really appreciate the feedback. Enjoy your product!
The hair fibres are brilliant
The hair fibres are brilliant , they really do what it says on the tin !! The delivery is very quick !
30 August 2025
Reply from Nanogen
Thank you so much for your review Lesley. We agree, our Keratin Hair Fibres are amazing and make such a difference. We are so pleased that you have had such a positive experience. We have been helping people with thinning hair for over 20 years, but it is always great to hear that we are still making a difference today. Thank you for sharing!
I have used Nanogen for about 6/7 years…
I have used Nanogen for about 6/7 years and l only wished i had known about it sooner . It makes my hair feel lovely and thick. I am 79 years old now and still use it . I am also married to a hairdresser.
Mrs Janet Hannant
5 September 2025
Reply from Nanogen
Hi Janet, thank you so much for your wonderful review.
It is amazing to hear that you have been a Nanogen fan for such a long time. Thank you for supporting our small British brand over the years. We are so pleased that our products are working so well for you. Even better to know that they have impressed your hairdresser partner!
Thank you again for sharing your positive experience. We always love to hear that our products are making a difference!
Reply from Nanogen
Hi Janice, thank you for your review. We are so pleased to hear about your positive experience with Nanogen. Thank you!
This product is a waste of time and…
This product is a waste of time and money. Used this product and didn't cover at all
27 August 2025
Reply from Nanogen
Hi Cynthia, we are sorry to hear that you are not happy with the product, we get amazing reviews for our fibres and offer a money back guarantee if you are not satisfied.
Please contact Claire on hello@nanogen.com and she will be able to help you with applying the fibres, getting the colour matched correctly and offering a refund if you have any issues.
At last I have found a shampoo and…
At last I have found a shampoo and conditioner that enhances my fine white aging hair. It gives it body and volume and a lovely shine ✨ thank you!
25 August 2025
Reply from Nanogen
Hi Carol, thank you for sharing your experience!
We are so pleased to hear that our Shampoo and Conditioner are working so well with your hair and that you have found the products for you! They are such amazing formulations and really do help the hair to look and feel fuller and thicker.
We really appreciate your feedback. It is always wonderful to hear that our products are having such a positive impact. Thank you for supporting us and for sharing your review.
Reply from Nanogen
Hi Gary, thank you for your feedback. We are really pleased to hear you had a positive experience when shopping with Nanogen. Enjoy your product!
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