The physician behind the platform.
Dr. Dusan Sajic, MD, PhD, FRCPC. Board-certified dermatologist, fellowship director, researcher, and a patient himself.
“I built this because I needed it to exist.”
When Dr. Sajic was diagnosed with skin cancer, and then autoimmune disease, he went looking for a platform that could see the damage before it became a crisis. Something that connected internal health to what shows on the skin. Something accountable, measured and honest.
It didn't exist. What he found instead was marketing dressed up as medicine: clinics selling hope without measurement, products without validation, protocols without follow-through. So he built it himself, and holds it to the standard he couldn't find anywhere else.
“I am not just the physician. I am also the patient. Every protocol we offer, I've tested on myself first, because I refuse to recommend what I wouldn't trust with my own health.”
Los Angeles Magazine 2025 Best of Beauty: Beauty Pioneer Award
Recognizing Rejuvenat as a breakthrough skincare product rooted in advanced dermatological science, and Dr. Sajic's signature 5 Dimension Skin Plan.
The physician other physicians learn from.
MD, PhD, FRCPC
Board-certified dermatologist in Canada and the United States, with a PhD in molecular immunology, virology and inflammation.
Consensus co-author
One of 12 global expert physicians behind the 2025 international consensus paper on skin quality (Journal of Cosmetic Dermatology): the reference framework dermatologists now follow.
Fellowship Director
Directs the Cutaneous Laser Surgery Fellowship at McMaster University, where dermatologists and plastic surgeons train under him.
Phase 1–4 researcher
Clinical research on aging, obesity and inflammation, with prior work in genetically modified stem cells.
International KOL
Key opinion leader for aesthetic-device and skincare companies; global keynote and TEDx speaker.
Never delegated
Every laser setting is delivered personally by Dr. Sajic. Never handed to a technician. The operator is the variable, not the machine.
The work behind the claims.
Translational research · Sajic Skin Science lab
Global keynote & TEDx speaker
Phase 1–4 clinical research
“Optimal skin is only achievable when internal health is optimized. Treat the body, and the skin follows.”Dr. Dusan Sajic, MD PhD
Research, teaching, writing.
Dr. Sajic writes long-form, physician-authored articles on hormones, skin, peptides and the evidence behind whole-body longevity medicine, including the negative findings most clinics won't publish. Radical honesty is the brand: we'd rather lose the sale than recommend something we can't stand behind.
Work with Dr. Sajic.
Three ways to bring the same standard to your own health.
Read the philosophy
Why he treats aging from the inside and out.
Read more → BookBook a consultation
Guelph, Beverly Hills or virtual. Deposit applied to testing.
Book now → ExploreOur services
Peptides, CO2 laser, plasma exchange and membership.
See services →Not sure which is right for you? Call 1-888-430-4665 or email consult@sajicskin.com and our team will point you to the right starting point.