Our technologies and services include:

  • • D More™M Collagen Infusion Therapy
    • Forma™M Radiofrequency +
    • Morpheus 8™ Microneedling Therapy
    • Lumecca IPL
    • Lutronic ULTRA™ Lase MD
    • Evolve Trim Tite Tone
    • Body FX
    • Evolve X: Tite, Trim & Tone
    • Emsculpt (Coolsculpt)
    • Fraxel
    • Ultherapy
    • IV Vitamin Drip Therapy
    • NAD+ Vitamin Therapy
    • IV Exosomes
    • PRP - PRF Therapy
    • Botox - Injectables
    • Hormone Optimization

  • • Hair Restoration
    • Keralase Hair Treatment
    • Threading
    • PRF Breast Lift
    • Nutrition Consultation
    • Acupuncture - Cupping
    • Reiki Lymphatic Massage
    • Transformative Wellness
    • Microblading
    • Custom Collagen Facials
    • LED Light Stim Facial
    • Microcrurrent Facial
    • Fire and Ice Facial
    • Obagi Dermal & Vi Peels
    • TCB Signature Treatment
    • Total Skin Solution Program
    • Ultimate Skin Rejuvenation Program
    • Biomimetic Exosome Regenerative Treatment

The Collagen Bar Leadership

Collagen Bar is led by industry experts with decades of hands-on experience. Learn more about us below.

Diana Seo

Diana Seo is the founder and president of Collagen Bar, a medical aesthetic and skincare clinic, with locations in Westchester and NYC.

Diana has over fifteen years of combined experience in the health, medical and beauty fields. She started her career as a researcher/technologist in the Cytogenetics Department at Mount Sinai Hospital in NYC. She then enhanced her understanding of skin aesthetics working for one of the most notable plastic surgeons in the world, Dr. Charles Thorne, the editor-in-chief of the “Grabb and Smith’s Plastic Surgery” textbook.

Diana received her aesthetician license and ITEC (International Therapy Examination Council) certification from the Atelier Esthétique Institute of Esthetics. Her Skin Specialist and Facial Electrical diplomas are recognized in over thirty-nine countries. She graduated from the University of Connecticut with a B.S. in Biophysics and minor in Chemistry and Mathematics.

Diana collaborates and works with the most notable and award winning surgeons in the world. They include Dr. Nicole Nemeth, Dr. Kevin Tehrani, Dr. Jonathan Sherwyn and Dr. Kathryn Alcarez.

Dr. Nicole Nemeth

Dr. Nemeth is a graduate of the University of Chicago with a bachelor’s degree in Biology / Neuroscience. She then received her doctor of medicine degree from the University of South Florida where she was awarded the Joseph Collin’s Foundation scholarship for academic excellence. Dr. Nemeth trained at the University of Texas Medical Branch in Galveston during which time she studied facial aesthetic surgery with Dr. James Stuzin in Miami. Dr. Nemeth has also completed the prestigious Reconstructive Microsurgery Fellowship at the number one-ranked M.D. Anderson Cancer Center in Houston, Texas. Since moving to New York City in 2008, she has held a clinical faculty position at Jacobi Medical Center and teaches plastic surgery residents in the Albert Einstein / Montefiore Medical Center program.

Dr. Kathryn Alcarez

is a Manhattan-based, Internal Medicine Physician and has a combined 14 years of experience and specialized training in Aesthetic Medicine, Obesity Medicine, and Preventative Medicine. She is the founder and Medical Director of Aesthete Medical Wellness and Medspa.

Dr. Alcarez offers comprehensive aesthetic consultations that include botox for medical purposes like migraines and hyperhidrosis, botox and fillers for anti-aging, radiofrequency skin tightening (Inmode Optimas) and radiofrequency body contouring (Inmode Contoura and Cutera’s Trusculpt ID offered at the downtown location).

Dr. Jonathan Sherwyn

Jonathan Hilton Sherwyn, M.D., F.A.C.S. is certified by the American Board of Plastic Surgery - the only board recognized by the American Board of Medical Specialties to certify plastic surgeons.

Initial consultations are conducted with Dr. Sherwyn himself, not delegated to an assistant, for approximately one and one half hours in order to ensure a thorough discussion of each individual's desires, needs and goals.

Dr. Kevin Tehrani

New York plastic surgeon Dr. Kevin Tehrani is renowned for his mastery in aesthetic surgery. As he considers plastic surgery to be the ultimate expression of art in surgery, Dr. Tehrani relentlessly strives for exceptional care and results for his patients. He is certified by the American Board of Plastic Surgery and is a fellow of the American College of Surgeons. Dr. Tehrani is the founder and director of Aristocrat Plastic Surgery with offices in Manhattan (see Manhattan Plastic Surgery) and Long Island (see Long Island Plastic Surgery). He is Chief of the Division of Plastic Surgery at SUNY Downstate Medical Center and is a member of multiple local and national societies, including the American Society of Plastic Surgeons.

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Collagen Bar specializes in custom-designed programs. Book your free consultation today. Or see what we're up to on our Instagram below!