Mr. Onur Gilleard
Qualifications & Experience
Mr Onur Gilleard is a distinguished consultant plastic surgeon on the GMC specialist register. He previously held an NHS consultant post at St Bartholomew’s Hospital in London, specialising in skin cancer and microsurgical reconstruction. In 2021, Mr Gilleard transitioned from the NHS to dedicate himself fully to private practice, allowing him to focus exclusively on providing personalised, high-quality care to his patients. He is recognised as an expert in laser treatments, having conducted research and developed advanced treatment protocols using cutting-edge laser technology to optimise both clinical outcomes and cosmetic results.
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Preparing for Mole Mapping: Essential Steps for Accurate Skin Examination
Preparing for mole mapping ensures the most accurate and reliable skin examination for early melanoma detection. This guide outlines crucial steps, including what to wear and what to avoid, to optimize skin visibility for consultant plastic surgeons and the FotoFinder® AI system. Proper preparation, such as removing fake tan, makeup, and nail polish, prevents interference with dermoscopic and AI analysis, establishing a clear baseline for future surveillance. Following these guidelines is vital for an unobstructed view, critical for identifying subtle changes.
London Skin Clinic provides consultant-led mole mapping, leveraging advanced FotoFinder® Digital Dermoscopy and AI-powered analysis. Our GMC-registered plastic surgeons ensure expert review and precise detection of suspicious lesions, offering unparalleled accuracy in skin cancer screening.
To explore your options, contact us to schedule your consultation. You can also reach us via: Schedule a Harley Street Mole Check
Why is Preparing for Mole Mapping So Important?
Proper preparation is the most important factor within your control for an accurate skin examination. Skin in its natural, unaltered state allows our consultant surgeons and the FotoFinder® system to assess each lesion with maximum clarity. Any substance that covers or colours the skin can obscure architectural and pigmentary details critical for differentiating between benign moles and early-stage melanoma.
Ensuring Accurate Dermoscopic & AI Analysis
Mole mapping creates a precise baseline of your skin to identify suspicious changes over time. Substances like fake tan, makeup, or heavy moisturisers interfere with this process. They can alter a mole’s perceived colour, border, and texture, masking dangerous characteristics or creating false alarms. For the FotoFinder® AI, which analyses microscopic patterns, clean skin is essential for its algorithm to function correctly. Proper preparation gives the human eye and the AI an unobstructed view, which is essential for early skin cancer detection.
What to Wear and What to Avoid on Your Appointment Day
The mole mapping process involves a full-body skin check, requiring you to undress to your underwear.
Dressing for Comfort and Accessibility
Wear loose, comfortable clothing that is easy to remove, such as tracksuits or loose-fitting trousers. Avoid complex outfits, tight garments like skinny jeans, or clothing with many buttons. The examination takes 45 to 60 minutes, so comfort is important. Learn what to expect during your mole mapping appointment.
The Importance of Removing All Jewelry
Before the examination, remove all jewellery, including necklaces, bracelets, rings, watches, earrings, and removable body piercings. Jewellery can cover moles or create reflections and shadows during photography, hiding lesions. Leave valuable items at home or be prepared to remove them at the clinic.
Critical Items to Avoid Before Your Mole Mapping Session
To ensure accuracy, avoid applying certain products to your skin before your appointment.
Why Fake Tan, Makeup, and Nail Polish Must Go
You must avoid fake tan for at least one week before your appointment. The dihydroxyacetone (DHA) in these products stains the top layer of skin, which can artificially darken moles or pool around their edges, mimicking melanoma’s irregular pigmentation and making accurate assessment difficult. All makeup must be removed for a clear view of facial skin; even light foundation can obscure features. Remove nail polish from fingernails and toenails. A rare but aggressive melanoma, subungual melanoma, develops under the nail bed. According to Cancer Research UK, this type is more common in people with darker skin. Opaque polish makes it impossible to check these areas.
Skincare Products: Moisturizers, Lotions, and Perfumes
On the day of your appointment, do not apply skincare products to your body, including heavy moisturisers, lotions, oils, and perfumes. These products can leave a residue or sheen that interferes with the dermatoscope’s lighting and optics. A light shower with a simple, non-oily soap is acceptable. Your skin should be clean, dry, and bare when you arrive.

Your Pre-Appointment Checklist: Ensuring Optimal Skin Visibility
This checklist outlines the key steps to take before your visit for an efficient and accurate process.
A Week Before: Key Preparations
A week before your session, stop applying all self-tanning products. This allows the artificial pigment to fade, revealing your moles’ true state. If dense body hair obscures moles, you can shave those areas 1-2 days before your appointment, though this is not mandatory. Avoid shaving on the day of your appointment to prevent skin redness or irritation.
On the Day: Final Steps for a Smooth Session
On the morning of your appointment, shower using a simple soap or body wash and pat your skin dry. Do not apply any products afterwards, including moisturisers, deodorants, perfumes, or makeup. Ensure all nail polish was removed the night before. Dress in loose, comfortable clothing and remove all jewellery before the examination begins.

The London Skin Clinic Difference: Consultant-Led Accuracy
At London Skin Clinic, mole mapping is a comprehensive medical assessment. Your preparation contributes to the diagnostic accuracy provided by our expert analysis and technology.
How Your Preparation Aids Our Expert Surgeons
Every mole mapping report is reviewed by a GMC-registered Consultant Plastic Surgeon trained to identify subtle signs of skin cancer. Prepared skin enables our consultants to perform an accurate visual and dermoscopic assessment. This expert review complements the AI, ensuring nuanced or unusual lesions receive scrutiny. As the NHS explains, specialist examination is key to an accurate diagnosis.
Maximising the Benefits of FotoFinder® Digital Dermoscopy
Our clinic uses the FotoFinder® system for digital dermoscopy and automated total body mapping. This system captures detailed, high-resolution images of your skin surface and moles. Clear, unobstructed skin is necessary for the system to capture high-quality images. These images form a digital baseline, allowing the system’s AI to track changes over time. Following preparation guidelines helps ensure this baseline is accurate, maximizing the effectiveness of long-term surveillance for early melanoma detection.
Ready for Your Mole Mapping? Schedule Your Expert Review Today
Preparing for mole mapping is a proactive step towards your skin health. Ensuring your skin is ready for a detailed examination helps our clinical team achieve the most accurate and reliable results.
Book Your Comprehensive Mole Mapping Session
To establish a comprehensive baseline of your skin or if you have concerns about new or changing moles, schedule an appointment at London Skin Clinic. Our consultant-led service uses advanced technology to monitor your skin. Schedule a Harley Street Mole Check today.
Conclusion
Avoiding products like fake tan and makeup, removing nail polish and jewellery, and wearing appropriate clothing provides a clear view for our consultant surgeons and the FotoFinder® system. This preparation allows for an accurate assessment and a reliable record for early skin cancer detection. To book your skin check, contact us or Schedule a Harley Street Mole Check.
Frequently Asked Questions
What is the most important step when preparing for mole mapping?
The most critical step is to avoid applying any fake tan for at least one week before your appointment. Self-tanning products can artificially alter the colour and appearance of moles, which interferes with the accuracy of our consultant’s dermoscopic analysis. This is a key part of preparing for mole mapping to ensure a reliable baseline is created for future comparison.
What should I wear to my mole check appointment?
We recommend wearing loose, comfortable clothing that is easy to remove and put back on. Since the procedure involves full-body photography to create a comprehensive visual record of your skin, simple attire makes the process smoother and more efficient. This ensures you are comfortable throughout the 45-60 minute session.
Do I need to remove makeup and nail polish when preparing for mole mapping?
Yes, this is an essential part of preparing for mole mapping. Please arrive with a clean face, free of all makeup, so we can accurately examine any facial lesions. It is also vital to remove all nail polish from both your fingernails and toenails, as melanomas can develop under the nails and must be visible for a thorough check.
Can I use moisturiser or body lotion on the day of the appointment?
It is best to avoid applying heavy moisturisers, body lotions, or oils on the day of your session. These products can create a reflective sheen on the skin’s surface, which may interfere with the clarity of the high-magnification digital dermoscopy images. Clean, dry skin provides the best canvas for an accurate assessment by our specialists.
What should I bring with me when preparing for mole mapping?
While not mandatory, it is very helpful to come prepared with a mental note of any specific moles you are concerned about. Highlighting any lesions that have recently changed, itched, or bled helps our consultant plastic surgeon focus on your areas of concern. This personal insight is a valuable part of preparing for mole mapping.
How do I schedule a consultant-led mole mapping session in London?
Scheduling your mole mapping is straightforward and ensures you are seen by a GMC-registered consultant plastic surgeon, not a technician. You can book your comprehensive skin check at our Harley Street clinic for a fixed, all-inclusive price. To arrange your appointment, please schedule a Harley Street mole check through our contact page.
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