Dr Ravi Ratnavel, Consultant Dermatologist And Skin Specialist
ABOUT US
Dr Ravi Ratnavel
Consultant Dermatologist And Skin Specialist
Dr Ravi Ratnavel is a renowned consultant dermatologist at Define Clinic, specialising in skin rejuvenation and dermatological treatments. With over two decades of experience, Dr Ratnavel brings a wealth of knowledge and expertise to his patients, ensuring they receive the highest standard of care.
MEET THE TEAM
Where It Started For Dr Ravi Ratnavel
For Dr Ravi Ratnavel, the journey into dermatology began at the prestigious Oxford University, where he earned his Doctorate of Medicine in 1996. His academic excellence continued as he mastered the science of perfect skin at London’s world-renowned St John’s Institute for Dermatology. Shortly after, he received dermatology specialist status from the General Medical Council and has been a Fellow of the Royal College of Physicians since 2001.
His early career was marked by his dedication to advancing dermatological care. He gained extensive practical experience at university hospitals associated with London and Cambridge universities, solidifying his expertise in skin care. His commitment to research and clinical excellence led him to hold honorary consultant positions at Buckinghamshire Hospitals NHS Trust and Oxford Radcliffe NHS Trust.
His Time At Define Clinic
At Define Clinic, Dr Ravi Ratnavel utilises his extensive background in dermatology to deliver outstanding skin care treatments. His speciality lies in skin rejuvenation and the treatment of dermatological conditions, where he applies his knowledge to help patients achieve healthy, glowing skin. Dr Ratnavel is adept at treating problems and designing fully personalised treatment plans that cater to each patient’s unique needs.
His expertise covers a wide range of dermatological treatments. He is highly skilled in managing skin cancers, hair, skin, and nail disorders, acne, difficult rashes, suspicious moles, and psoriasis. His special interest in skin cancer has been a significant focus of his career, underpinning his research studies for a doctoral thesis and guiding his clinical practice. As the NHS clinical lead for skin cancer treatment in the Buckinghamshire and Oxford regions, Dr Ratnavel established specialist multi-disciplinary skin cancer services, further showcasing his dedication to patient care.
In addition to his work at Define Clinic, Dr Ravi Ratnavel practises at Harley Street and Spire Thames Hospital. His extensive experience and first-class training have earned him a reputation for successfully treating challenging conditions where other clinicians have failed. Patients benefit from his comprehensive understanding of dermatology, which he combines with state-of-the-art facilities at Define Clinic to achieve exceptional results.
More Information
Dr Ratnavel’s expertise is widely recognised in the field of dermatology. His primary medical education at Oxford University, followed by speciality training at St John’s Institute for Dermatology, provided a solid foundation for his distinguished career.
Over the years, he has developed an exceptional track record in treating various dermatological conditions, ensuring that his patients receive the best possible care.
His contributions to the field extend beyond his clinical practice. He is actively involved in research and education, sharing his insights and knowledge with the broader medical community. Thanks to Dr Ravi Ratnavel and his patient-centred approach, he ensures that each treatment plan is tailored to meet the specific needs of his patients. Whether addressing common skin concerns or complex dermatological conditions, his commitment to excellence is evident in every aspect of his practice.
REVIEWS
WHAT PEOPLE SAY ABOUT DR RAVI RATNAVEL
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I recently visited Define Clinic in Beaconsfield after seeing the incredible results they shared of Ulrika on Instagram, and I can honestly say the experience with Dr Benji Dhillon, exceeded all expectations. From the moment I walked in, everything felt professional, welcoming, and thoughtfully designed to put you at ease. The team were knowledgeable, attentive, and took the time to really understand what I was hoping to achieve. They explained every step clearly, which made me feel completely confident and comfortable throughout the process. And the results? Absolutely amazing. The outcome is natural, refined, and exactly what I had hoped for (if not better). It’s rare to find a clinic that combines such high standards of care with genuinely outstanding results, but Define Clinic truly delivers on both. A well-deserved 5-star experience, and I wouldn’t hesitate to recommend them to anyone considering treatment.
Laura Goodfellow
1st April 2026
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Karen McGuire
1st April 2026
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Amazing initial consultation with Dr Benji Dhilion, he has an amazing manner, knowledge and feel excited about the treatments booked in.
I was also reviewed by Sonia the Skin specialist, who equally was great, she helped guide me with the right treatment plan and skincare.
Would highly recommended booking an appointment.Holly Davies
19th February 2026
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Excellent exilis treatment with Elena. She was knowledgeable and caring and left my skin feeling and looking great!
Amrita Dhillon – Exilis
14th February 2026
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Dr Teuta Berisha is just fantastic! This is the second visit for aesthetic treatments and I would highly recommend her to anyone. She is honest and discusses through all the options. The treatment was painless and the whole experience was great. Thank you!
Rebecca Kingswood
19th October 2025
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Define Clinic truly goes above and beyond! From the initial consultation to the final result, every step was handled with precision and professionalism. I’m beyond thrilled with my experience!” Dr Benji Dhillon took his time to clearly explain each step with honest and transparent guidance. Highly recommended made me feel at ease throughout the entire process. The outcome is fantastic, and I couldn’t be happier!
Vimal Thohan
12th October 2025
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I have been a client of Dr Benji Dhillon for several years now and he recently told me about a new treatment to the clinic called Juliane which he thought might be of interest to me. Well, what can I say, this treatment has given me such amazing results, even after just one treatment! My skin looks younger and healthier, it literally feels like the collegen has been restored.
It’s amazing !!!
I can thoroughly recommend the Juliane treatment.
Thank you Dr Benji Dhillon !Beth BAILEY – JULÄINE
22nd September 2025
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I was looking for some non-invasive treatments to address a couple of skin concerns and maintain my skin in top condition. After doing extensive research to find the best practitioner, I came across Dr. Benji Dhillon, founder of the Define Clinic, who came highly recommended. From the start, I felt completely comfortable and confident in his treatment recommendations. I’m absolutely thrilled with the results—they look incredibly natural. I’m very happy with my experience and will definitely be returning in the future
Define Clinic – Botox Patient
9th September 2025
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The Define team make you feel welcome from the moment you enter the clinic. My Polynucleotide treatment was carried out with care by Dr.Arreni, she was thorough with her explanations and made me feel very relaxed during the procedures. I’m very happy with the outcome and would highly recommend Dr.Arreni if you are looking for natural, long-lasting results.
Leila – Polynucleotides
3rd September 2025
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Nice calm atmosphere, excellent advice and reassurance. Dr Teuta was absolutely amazing and I am very pleased with my treatment. Not to forget the very accommodating reception team who are always a pleasure to deal with.
Vanessa Costello
19th August 2025
Book Your Appointment Today
Experience the exceptional dermatological care and expertise of Dr Ravi Ratnavel at Define Clinic. Whether you’re seeking skin rejuvenation, treatment for dermatological conditions, or specialised care for skin cancer, Dr Ratnavel’s personalised approach offers real results. Contact Define Clinic today to ask us any questions you may have before you schedule a consultation and take the first step towards healthier, more radiant skin.
