I've been buying from HGL for over a year now…
They never disappoint! Been with Hair Guru for over a year now, finally fibres that work and look natural.
7 May 2026
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Company details
Written by the company
Welcome to Hair Guru London, your trusted destination for premium, instant hair thickening solutions. Founded by Jamie Shepherd, our mission is to help both men and women instantly conceal thinning hair, cover bald spots, and regain their confidence. Experiencing hair thinning in his early 20s, Jamie understood the emotional toll of hair loss. After four years of dedicated research, he developed our flagship hair building fibres to ensure no one has to struggle in silence. Today, we are proud to be recognized as a leading UK hair concealer brand. Why choose Hair Guru London for instantly thicker hair. Our premium natural cotton hair fibres bond securely to your existing hair, delivering a fuller look in just 30 seconds. Unlike cheap alternatives, our neutrally charged fibres harness natural static. They are wind resistant, rain resistant, and sweat proof for intense gym workouts. Finding the perfect hair colour match is easy with our 14 carefully crafted shades, ensuring an undetectable, 100% natural finish. Trusted by over 20,000 satisfied customers and celebrated as TikTok’s top hair thickening product, we know we do more than just upgrade your hair, we transform your self-esteem. Discover the best hair loss solution today and let Jamie and the Hair Guru London team help you step out the door with total confidence!
Contact info
United Kingdom
- hairgurulondon.com
Barbershop recommended!
Excellent quality, durable, and best-in-class. We are a barbershop chain and use Hair Guru with our clients. Feedback is excellent and we would highly recommend
7 May 2026
Reply from Hair Guru London
Hi Ben,
Getting a review from a team of professional barbers like you is the ultimate compliment! Thank you so much for the recommendation and for choosing us to be a part of your clients' experience. Here's to many more "wow" moments in all of your barbershops!
Much love,
The Hair Guru London Team
stopped wearing a cap everywhere!!
seriously i dont usually write reviews because i hate it and i hate being fake about it. but this has changed my life. i started using this in april after years of putting it off. id seen that the other fibres use synthetic materials and im pretty funny about what i put in my hair. anyway i started using this and all i can say is just wow. i feel so much better. it barely takes any time at all in my morning and i feel super confident. i was always known as the guy who would wear his hats everywhere. restaurants. driving in the car. everywhere. and then now i just dont really wear a hat. im super comfortable with my hair and that means confident as well. people have noticed too. my girlfriend said that im much happier now. yeah i just cant thank hair guru london enough and i will be a repeat customer for a very long time.
8 May 2026
Reply from Hair Guru London
Hi Will,
Wow, we are genuinely moved reading this! Since you don't normally write reviews, we want to send a massive thank you for stepping out of your comfort zone to share your story, it means the absolute world to Jamie and to our entire team.
Hearing that our natural fibers helped you ditch the caps and step out with that much confidence is exactly why we do what we do. We are so glad you value the clean ingredients as much as we do, and it is amazing that your girlfriend has noticed how much happier you are!
Thank you for trusting us with your hair and for sharing such an authentic experience. We are honored to be part of your routine and can't wait to keep you feeling confident for a very long time!
Stay awesome,
The Hair Guru London Team
I am very impressed with the results
I am very impressed with the results. It provides a natural looking coverage and performs better than other hair fibers I have tried. It is especially suitable for people with thinning hair or small bald areas. I would definitely recommend it, although it may not be the best option for those with more extensive hair loss.
30 January 2026
Unprompted review
Reply from Hair Guru London
Hi Kieran,
Thank you so much for taking the time to share your honest experience! We are thrilled to hear that you are impressed with the natural-looking coverage and that our product is performing better than other fibers you've tried.
We also truly appreciate your transparency regarding who this works best for. Realistic insights like yours are incredibly helpful for new customers trying to figure out if our fibers are the right fit for their specific hair goals.
Thank you for highly recommending us and for being such a valued part of the Hair Guru London community!
Much love,
The Hair Guru London Team
I have been using this product for…
I have been using this product for quite some time and can confidently say it is excellent. Recently one of my orders arrived damaged during shipping, so I contacted Hairo. Their team responded very quickly and sent me a replacement at no cost. The level of service and professionalism truly impressed me. I highly recommend this brand and will definitely remain a loyal customer.
2 February 2026
Unprompted review
Reply from Hair Guru London
Hi Jace,
Thank you so much for your continued loyalty and for taking the time to share this wonderful feedback!
We are always bummed when shipping accidents happen, but we are thrilled our team could jump in quickly and get a replacement sorted out for you right away. Providing professional and speedy customer service is exactly what we strive for.
Thank you again for highly recommending us. We look forward to keeping you as a happy, loyal customer for a long time to come!
Much love,
The Hair Guru London Team
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