Reception and waiting area at The Demarest Clinic with modern white interior

Reception staff in white uniforms with masks at The Demarest Clinic lobby

Modern white reception and waiting area at The Demarest Clinic, Phuket, Thailand

Modern reception and waiting area at Demarest Clinic Phuket with white interior design

IV therapy lounge at The Demarest Clinic with modern white recliners

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Thailand, Phuket

Hair mesotherapy in The Demarest Clinic

About the clinic

The Demarest Clinic offers regenerative medicine and cellular therapies, including treatments with amniotic fluid, mesenchymal stem cells derived from umbilical cord tissue, PRP (platelet-rich plasma), oxygen therapy, and Weber Laser IV therapy. The clinic is equipped with a satellite medical laboratory and an IV (intravenous) lounge. Its processes for culturing, preserving, and activating cells are certified by The American Association of Blood Banks (AABB).

The clinic focuses on achieving positive treatment outcomes and continuously updating protocols through a global network of researchers. Demarest prioritizes advancements in cellular medicine to improve health and prevent disease.

Highlights

2021 Year of foundation

1000 patients per year

Get a free consultation

The clinic is not accepting new requests

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Average answering time – 5 minutes

Treatments prices in the clinic

Last price update — 29.03.2025. Prices can be changed depending on the medical case and doctor's recommendations.

Aesthetic Medicine and Cosmetology

treatment	Price
Stem Cell Therapy	Price on request
Botox injections	Price on request
Laser scar removal	Price on request
Stem cell rejuvenation therapy (anti-aging)	Price on request
Scar revision	Price on request
Rejuvenation with own stem cells	Price on request
Rejuvenation with donor stem cells	Price on request
Hair mesotherapy	Price on request
PRP Hair Loss Treatment	Price on request
ARTAS robotic hair transplant	Price on request
Dermabrasion	Price on request
Intense Pulsed Light (IPL) Skin Treatment	Price on request
Acne Scar Treatment	Price on request
Laser Hair Removal	Price on request
Reducing cellulite	Price on request
Laser Skin Resurfacing	Price on request
Fillers injection	Price on request
Bioidentical hormone replacement therapy (BHRT)	Price on request
Renuvion J Plasma	Price on request
Botox for men	Price on request
Botox for forehead	Price on request
Botox under eyes	Price on request
Botox wrinkles	Price on request
Preventative botox	Price on request
Radiofrequency calf reduction	Price on request
Perioral dermabrasion	Price on request
Biostimulation	Price on request
Platelet-Rich Plasma (PRP) Therapy	Price on request
Vitamin infusions	Price on request
Stem Cell Hair Treatment	Price on request
Exosome therapy	Price on request
Mesotherapy	Price on request

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Licences

Clinic license for The Demarest Clinic issued by Ministry of Public Health, Phuket, 2022

Business registration certificate for The Demarest Clinic issued by Thailand DBD, 2021

Business registration certificate for The Demarest Clinic issued by DBD Thailand, 2024

Doctor license for The Demarest Clinic issued by Thai Ministry of Public Health

Patient rights and responsibilities notice, The Demarest Clinic, Thailand, 2015

Ministry of Health clinic license for The Demarest Clinic, Phuket, Thailand, 2022

Honorary certificate for The Demarest Clinic, Phuket, issued by Phuket Province, 2022

Honor declaration for The Demarest Clinic by Phuket Province, Thailand, 2021

The Demarest Clinic: more details about the clinic

Thailand, Phuket

William Demarest Johnson, founder of The Demarest Clinic, is the youngest son of Charlie Johnson, founder of Franklin Templeton Mutual Funds and owner of the San Francisco Giants. Driven by a personal experience with regenerative medicine, Mr. Johnson founded Demarest Clinic in Thailand, combining Amniotic Fluid and First Passage Umbilical Cord-derived Mesenchymal stem cells for exclusive treatments. The clinic is the first in Thailand sanctioned by the Health Ministry to offer Allogeneic Stem Cell Therapy.

Demarest Clinic pioneers in regenerative medicine, integrating Western innovations with Eastern traditions. Its mission is to deliver optimal patient outcomes, with a vision to make aging and age-related diseases optional.

Additional services

Language assistance

Available

free

Accommodation

Hotel (apartments) near the clinic, billed daily

Patient reviews

Google 5

5 Google reviews

Karima schlageter

Jun 3, 2025

Dermarest Clinic offers a truly elevated wellness experience. I received the Liver Detox IV and was deeply impressed by the serene atmosphere, refined care, and attention to detail. From the warm, professional staff to the thoughtful touches like fresh fruit and lemon water, everything reflects the clinic’s high standard in integrative health. A sanctuary for those who value wellbeing at its finest. ✨💧

Ben Urquhart

Aug 17, 2024

Demarest Clinic hands down is the number one most innovative & advanced stem cell clinic in Phuket & continues to be on the forefront of regenerative medicine protocols - Demarest is way ahead of most international destinations with a highly professional team of medical directors locally & internationally you know you’re in very good hands. The CEO & Founder Bill Demarest Johnson is one of the most humble & influential people I have met - always willing to help everyone around him from family, friends, staff and A range of clients around the world including myself - if you do have the chance to meet Bill you will understand his passion for helping people & regenerative medicine - The clinic is 5 star ⭐️ from the moment you arrive at the Royal Phuket Marina to going up the lifts then entering A clean & luxury designed clinic amazing white interior cool 😎 water features 💧 & art work 🖼️ - greeted by very knowledgeable and friendly staff incredible attention to detail - I was impressed by some of the IVs like Curcumin & Resveratrol you can’t find this at other clinics - once again on the forefront of advanced regenerative medicine protocols - I can’t recommend Demarest Clinic enough to friends & family - the best investment you can do today is in your health.

Karolina Falk

Jun 4, 2025

The best clinic in Phuket for professional treatments - here I did Stem cell treatment in my face and am super happy with the result

Janpa

May 8, 2024

10/10. My husband had the curcumin drip before we travelling back to the UK. His legs and knees didn't give him any grief like normally did every time he travelled. Very happy with the result and excellent staff members. Highly recommended.

Scott Hider

Aug 8, 2023

I was recommended this clinic by a close friend and I am not disappointed. Their doctor spent along time with me reviewing my results and came up with an affordable plan to get me back to maximum health. The customer service and care is world leading. Aura on reception replies to my what’s app messages efficiently and effectively and Mor my nurse is very attentive and caring. Great service all around.