Introducing Cheryl Marshall Williams (RN NIP) to S-Thetics Clinic

We are delighted to welcome to S-Thetics Clinic our new Aesthetic Nurse, Cheryl Marshall Williams (RN NIP).

Cheryl has over 15 years experience working within medical aesthetics and comprehensive knowledge covering cosmeceutical skincare and non-surgical rejuvenation using energy based devices such as Endymed radiofrequency, laser treatments, SculpSure body contouring and medical grade facial treatments.

Cheryl Marshall Williams at S-Thetics Clinic
Cheryl Marshall Williams at S-Thetics Clinic

Cheryl is a registered Nurse and also a fully qualified Nurse Prescriber.

Starting with a VISIA digital skin analysis, Cheryl can tailor the most effective treatment and skincare regime for you, using some of the most advanced technology available.

From treating skin conditions such as sun damage, facial redness, acne and pigmentation, Cheryl also has extensive experience using our FDA approved Endymed 3DEEP radiofrequency device, and the latest INTENSIF, which fuses microneedling with radiofrequency energy.

Cheryl is looking forward to meeting our current and future patients.

Find out more about:



S-Thetics is a multi-award winning state-of-the-art medical aesthetic clinic located in the heart of Beaconsfield Old Town in Buckinghamshire, specialising in advanced non-surgical treatments for the face, body and skin.

Founded by surgeon and cosmetic doctor, Miss Sherina Balaratnam, S-Thetics offer a broad range of treatments within our menu – from advanced skincare products and facial treatments, to cosmetic injectables, non-surgical skin rejuvenation and body contouring using medical grade technology.

Miss Sherina Balaratnam headshot
About Miss Sherina Balaratnam, MBBS, MRCS, MSc (UCL), Surgeon and Cosmetic Doctor and S-Thetics Medical Director

We are proud to have a medical approach at the heart of our practice, meaning that all treatments we offer have scientific backing and are delivered with the highest standard of clinical expertise and care.


To find out more about our range of treatments or to schedule a consultation, please contact S-Thetics clinic on:

01494 670 990 or