Caroline Hughes, PA-C is an aesthetic and regenerative medicine provider at Cosmetic Skin & Laser Center and RegenCen in Winter Park and Lake Mary. She offers advanced aesthetic services alongside regenerative care such as bioidentical hormone therapy and physician-guided medical weight loss. Caroline is known for her thoughtful, consult-first approach and her ability to create plans that feel aligned with each patient’s goals.

Caroline Hughes, PA-C is an aesthetic and regenerative medicine provider at Cosmetic Skin & L... Read More

Chief Medical Officer – RegenCen and Cosmetic Skin & Laser Center

Dr. Gustav Lo brings over 30 years of clinical experience and medical leadership to RegenCen and Cosmetic Skin & Laser Center (CSLC), where he serves as Chief Medical Officer. As co-founder of the practice alongside Courtney Lo, PA, Dr. Lo provides medical oversight and clinical direction across RegenCen’s regenerative and hormone health services.

Dr. Lo leads and mentors the provider team in bioidentical hormone therapy, menopause and testosterone treatment, PRF joint injections, NAD+ therapy, and regenerative medicine. His background in primary care—including decades as founder and operator of Northern Michigan MedCenter—shapes the thoughtful, evidence-based care that defines RegenCen’s approach to aging and wellness.

A passionate educator and advocate for women’s health, Dr. Lo regularly speaks on the benefits of hormone optimization, working to dispel outdated myths and empower women with safer, modern options. He remains closely involved in provider training and treatment development, ensuring clinical consistency and excellence at every RegenCen location.

Outside of medicine, Dr. Lo is a dedicated father of four, an avid reader, and a certified scuba diver with a lifelong passion for learning and exploration.

Chief Medical Officer – RegenCen and Cosmetic Skin & Laser Center Dr. Gustav Lo brings over ... Read More

Samiha Rahman, PA-C is a hormone and regenerative medicine specialist at RegenCen, serving patients in Palm Beach, Wellington, Hobe Sound, and Traverse City. She provides personalized care focused on hormone optimization, metabolic health, and long-term wellbeing. Known for her calm, attentive style, Samiha helps patients feel heard, supported, and confident in their care decisions.

Samiha Rahman, PA-C is a hormone and regenerative medicine specialist at RegenCen, serving patien... Read More

Aubrey St Mary, NP-C is an aesthetic and regenerative medicine provider at Cosmetic Skin & Laser Center and RegenCen in Vero Beach and Hobe Sound. She offers advanced aesthetic treatments alongside regenerative care such as bioidentical hormone therapy and physician-guided medical weight loss. Aubrey is known for her warm, reassuring approach and her focus on helping patients feel comfortable and understood.

Aubrey St Mary, NP-C is an aesthetic and regenerative medicine provider at Cosmetic Skin & La... Read More