01 · The 23MD Method

    The 4D Approach

    Skin · Structure · Movement · Personality

    The 4D Approach is the diagnostic framework that underpins every aesthetic consultation at 23MD. Rather than treating a single feature in isolation, we read the face across four dimensions, and only then propose a plan.

    Meet 23MD Digital
    The Components

    How it works

    01

    Skin

    Quality, tone, texture, hydration, pigmentation. The surface tells you how cells, collagen and circulation are performing underneath.

    02

    Structure

    Bone, fat compartments and ligaments. The architecture that determines proportion, balance and how the face changes over time.

    03

    Movement

    Expression, muscle dynamics and resting tone. How a face animates is as defining as how it sits at rest.

    04

    Personality

    Who you are, how you see yourself, and what looks like you. Aesthetics that ignore personality always read as treated.

    Why it Matters
    • Stops single-modality thinking, no more chasing one line with one product.
    • Surfaces the actual driver of a concern, not the most visible symptom.
    • Produces a written plan that sequences treatments rather than stacks them blindly.
    • Keeps results recognisable as you, not a generic aesthetic template.
    Who It's For

    Anyone considering aesthetic intervention, whether it's their first visit or their tenth. The 4D Approach is mandatory at consultation; you cannot have treatment at 23MD without it.

    Speak to an Expert

    Medically reviewed by Dr Suha Kersh, MB BCh BAO LRCP&SI, MRCPsych, GMC-registered since 1992.

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    Testimonials

    What our patients say

    Verified feedback from 23MD patients, collected after their appointments through our clinic system and published with permission.

    Review via Trustpilot
    “I have been seeing Dr Kersh and her colleagues at 23MD for many years. They listen very carefully to my concerns and always come up with a truly bespoke solution.”

    Kate R. · London · October 2026

    Review via Trustpilot
    “I saw Dr Kersh at her clinic in Chelsea and found her care and attention to my needs extremely impressive. I would highly recommend seeing her.”

    Jim C. · London · March 2026

    Review via Trustpilot
    “I am writing this review after being her patient for almost five years. I have realised how unique Dr Kersh is.”

    Claudia U. · London · November 2023

    Review via Trustpilot
    “The clinic is absolutely spotless and pristine. Dr Galy was very patient, professional, and made sure that I knew exactly what I was getting into and felt comfortable the entire time.”

    Robert · London · January 2019

    Verified patient
    “Incredible and thorough testing, clear explanations and wonderful online or in person assessments”

    Kim · London

    Dr Martin Galy

    Verified patient
    “After ten years with Dr Galy we continue to be extremely happy with his care and the service offered”

    Shaunagh · London

    Dr Martin Galy

    Verified patient
    “Dr. Galy was very professional and listened to all my concerns. He explained everything so that I could understand. I felt confident in his treatment plan.”

    Sarah · Dubai

    Dr Martin Galy

    Verified patient
    “I have been seeing Dr Martin Galy for roughly 15 years and he is fantastic. I highly recommend his services.”

    Reva · London

    Dr Martin Galy

    Verified patient
    “I experienced 23 MD as a highly efficient, professional and caring service, thank you!”

    Emma · London

    Dr Martin Galy

    Verified patient
    “I feel I always get good advice from Dr Galy”

    Chiara · London

    Dr Martin Galy

    Verified patient
    “Dr Galy is a wonderful doctor. Kind, compassionate, caring and knowledgeable. I always feel heard and understood. He knows me well and treats me holistically.”

    Sarah · London

    Dr Martin Galy

    Verified patient
    “I have been with Dr Galy for approximately twenty years. He always listens and helps you deal with your concerns. I am always grateful for his professional help and advice. Every woman should be lucky enough to have a Dr Galy.”

    Penny · London

    Dr Martin Galy

    As featured in

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