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Ashleigh Sullivan

Advanced Body Contouring Aesthetician

Define Clinic

9, 10 Windmill St
London W1T 2JF
United Kingdom Wendover House, 24 London End
Beaconsfield HP9 2JH
United Kingdom

Website

www.defineclinic.com

Clinic

Ashleigh Sullivan is an Aesthetic Therapist at Define Clinic in Beaconsfield, bringing more than a decade of experience in the health and beauty industry. She specializes in non-surgical body contouring, microneedling, and advanced laser therapies, with a focus on personalized treatment plans and measurable results. 

Ashleigh began her career with an NVQ Level 3 in Beauty Therapy and has continued to expand her expertise through advanced training in specialized aesthetic treatments. She holds certifications in CoolSculpting, microneedling, Cynosure IPL, and miraDry, an FDA-cleared treatment for excessive sweating. Her approach combines technical expertise with a highly personalized patient experience, helping clients address their concerns through carefully designed treatment programs that support natural-looking outcomes. 

Practice

Clinic Information

At Define Clinic in London and Beaconsfield, care is centered around you. Every consultation begins with an in-depth full-face assessment and a personalized treatment plan. 

Define Clinic London

Define Clinic

Define your confidence at London and Beaconsfield's CQC-registered aesthetic, dermatology, and wellness clinic. Founded by Dr Benji Dhillon, Define Clinic delivers advanced injectables, laser treatments, skin therapies, and body contouring through bespoke, ethical care. The clinic has been featured in Tatler and Vogue and recognized by the Safety in Beauty Diamond Awards.

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9, 10 Windmill St London W1T 2JF United Kingdom

Wendover House, 24 London End Beaconsfield HP9 2JH United Kingdom

Services

Treatments Offered

Ashleigh specializes in advanced body contouring and skin rejuvenation treatments, combining technical precision with a personalized approach tailored to each client’s goals and concerns. 

Microneedling / Collagen Induction Therapy

  • Acne Scars
  • Fine lines
  • Uneven texture

BBL / BroadBand Light

  • Sun damage
  • Uneven skin tone
  • Redness or rosacea

HydraFacial

  • Congested pores
  • Dehydrated skin
  • Enlarged pores
  • Dull Skin
  • Fine lines
  • Uneven texture

Emsculpt / Emsculpt Neo

  • Localized fat pockets
  • Muscle separation (diastasis recti)
  • Body contour changes after pregnancy

CoolSculpting

  • Localized fat pockets
  • Body contour changes after pregnancy
  • Post-weight loss sagging

miraDry (Sweat & Hair Reduction)

  • Excessive sweating
  • Body odor
  • Unwanted hair

Testimonials

Patients Reviews

Patient reviews reflect real experiences with Ashleigh Sullivan and the Define Clinic team, highlighting their attentive manner, aesthetic expertise, and ability to deliver natural body contouring and skin rejuvenation results. 

I love the calming ambience at Define Clinic London. The staff are friendly and professional, the clinic is spotless and the atmosphere is soothing. The level of professionalism impressed me, and the attention to cleanliness gave me confidence. I felt well taken care of by every member of the team. I’m excited to return for my next treatment . Highly recommend. 

clare barclay

5/5

Friendly, thorough, transparent and offering excellent treatment – you know you’re in good hands here while the place feels not at all intimidating 

Ingeborg van Lotringen

5/5

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 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

5/5

Contact

Contact Ashleigh Sullivan

Book an appointment with Ashleigh at Define Clinic in Beaconsfield to discuss your goals, explore body contouring and skin treatment options, and receive personalized care in a refined clinical setting. 

Define Clinic

Phone

44 14 9493 2700

Address

Wendover House, 24 London End
Beaconsfield HP9 2JH
United Kingdom

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