Dr. Natasorn Lek-Uthai (Dr. Jan)

  • Faculty of Medicine Siriraj Hospital (First Class Honors), Mahidol University
  • Board Certification in Internal Medicine, Faculty of Medicine Siriraj Hospital
  • Board-Certified Specialist in Allergy and Clinical Immunology, Faculty of Medicine, Chulalongkorn University

Medical License Number

Specialties and Interests

  • Filler and Botox, as a trainer for doctors injecting Botox, Filler for Medyceles (Medyceles Trainer)
  • Scar and Acne Scar Treatment
  • Dermatological Lasers
  • Non-Surgical Lifting and Facial Contouring
  • Skin Rejuvenation
  • Skin Diseases
  • Lifting with Energy-Based Devices such as Ultherapy Prime, XERF, Ultraformer MPT, Ultraformer III, Oligio X

Training / Certificate Training

  • Certificates
    • Certificate in Ultherapy in Body techniques, Merz Aesthetics 2026
    • Certificate in Advanced techniques of Ultherapy prime, Merz Aesthetics 2025
    • Asia Pacific Cadaveric Anatomy, Menarini, Chulalongkorn University
    • Cadaveric Anatomy, Restylane, Chulalongkorn University
    • Cadaveric Anatomy, Merz, Ramathidodi hospital
    • Certified Sculptra Injector with Global and Asia Pacific Trainer
    • Certified Radiesse Injector
    • Certified Ulthera Practitioner with Advance Technique certification
    • Certificate of Advanced Laser in Dermatology
    • Certificate training in Picosecond Laser, Quanta, Italy
    • Certificate of Annual surgery and aesthetic, Chulalongkorn University
    • Certificate of Advanced Training, Cadaver Course of Facial Aesthetic, Chulalongkorn University
    • Certificate Advanced Filler & Botulinum Toxin injection, Merz Institute of Advanced Aesthetics, Bangkok,Thailand
    • Certificate Filler & Botulinum Toxin injection, Galderma Bangkok,Thailand
    • Certificate Filler & Botulinum Toxin injection, Menarini
    • Certificate of Filler & Botulinum toxin injection, Allergan Medical Institute, Bangkok, Thailand
    • Certificate of Attendance, AESTHETIC DERMATOLOGY ACADEMY CONFERENCE (ADAC) weekend forum 2019, ADAC, Bangkok, Thailand
    • Certificate of Advanced Training: Hand on Advanced Botulinum
      toxin & Mesofat injection, Bon-Song Facial Aesthetics, Bangkok, Thailand
    • Certificate of Attendance, “Prevention&Management of Complication after toxin & dermal filler injection”, Allergan Medical Institute, Bangkok, Thailand
    • Certificate of Attendance, “Prevention&Management of Unusual Complication after dermal filler injection”, Allergan Medical Institute, Bangkok, Thailand

ทำความรู้จักผู้เขียน

ปรึกษาโปรแกรม Botox, Filler, กำจัดขนด้วย YAG Laser, Ultraformer III

บทความจากแพทย์ของเรา

Woman with fuller cheeks and smooth skin after filler treatment in Bangkok

The Ultimate Guide to Dermal Filler Treatment in Bangkok

Dermal filler treatments in Bangkok restore lost volume, soften lines and refine features such as the lips, cheeks and chin without surgery. Today, most fillers are composed of hyaluronic acid, which occurs naturally in the skin, and the volume needed is gauged in cc, where 1 cc equals 1 mL. According to published expert advice, approximately 0.25 to 0.5 mL is recommended for each lip, and about 1 mL for each mid cheek or the chin, with the final amount determined after a doctor’s evaluation. This guide explains who is suitable for filler, the amount needed for each area, preparation and recovery tips, and the factors influencing the cost.

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