About Doctor Trenkle

Dr. Ingrid Trenkle practices Dermatology and Dermatopathology in Redlands and Sun City, California. Dr. Trenkle graduated from Loma Linda University Medical School in 1973. She did a Rotating Internship at USC Medical Center followed by a year in Zambia, Africa in mission service and running a leprosarium in house and range rover outreach. This was followed by an Internal Medicine Residency at Loma Linda. She did her Dermatology residency at University of California San Francisco and was the Chief Resident in her last year. Her Dermatopathology residency was completed at the Massachusetts General Hospital Harvard University Medical School.

Her experience as a Dermatologist has expanded over 30 years and has lead Dr. Trenkle to be one of the most well known and reputable Dermatologist in Southern California. Dr. Trenkle developed her own line of skin care products utilizing only the finest ingredients from Europe in a unique blend targeted toward photoaging, pigmentation and collagen/elastic tissue build up. There are skin programs directed toward acne, photoaging, skin cancer prevention, hyperpigmentation, sun protection, and hair loss.

Dr. Trenkle has been a leader in laser technology utilizing the Fractional CO2, IPL, Hair Removal, Thermage, Erbium, Diode, Cool touch, ND Yag, Velashape, Aluma, and penetrating Ultrasound for pigment. She was at the forefront of fillers being one of the first dermatologists to use Collagen and has subsequently been well known for her use of fillers and volumizers i.e., Restylane, Perlane, Juvederm, Radiesse and Sculptra and is in fact a trainer for many of these fillers. Our office was also one of the first to utilize Botox beginning in 1997 . She is an expert for both cosmetic and theraputic purposes.

She also specializes in precancers and skin cancer utilizing multiple therapies including peels, photodynamic therapy, topical chemical treatments and of course, MOHS microsurgery, including the use of a Plastic Surgeon for closures. Because she is double boarded in Dermatopathology she is able to read Dermatolpathology slides for other physicians. Other advantages are being of service in her own practice reading slides in a timely manner and having first hand knowledge of the patients history for correlation with the slides.

Professional Associations

  • American Medical Association
  • American Academy of Dermatology
  • American Society for Moh’s Surgery
  • Women’s Dermatological Society
  • California Society of Dermatology and Dermatologic Surgery
  • American Society for Dermatology Surgery
  • American Society for Laser Medicine & Surgery
  • San Bernardino County Medical Society
  • American Society of Dermatopathology
  • International Society of Dermatopathology