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Cosmetic dermatology focuses on improving the appearance and overall quality of the skin through medically supervised treatments. These treatments are designed to address common concerns such as acne scars, pigmentation, uneven skin tone, enlarged pores, and signs of ageing, while maintaining the health of the skin.
At TSN Dermatology Skin Specialist Clinic, cosmetic treatments are performed with careful consideration of your skin type, condition, and treatment goals. Our dermatologists assess your skin and recommend suitable options based on clinical evaluation and evidence-based dermatologic care. In many cases, a personalised combination of treatments may be used to achieve natural-looking and gradual improvements.

Senior Consultant Dermatologist
Bachelor of Medicine, Bachelor of Surgery (MBBS)
Member of the Royal College of Physicians (United Kingdom)
Master of Medicine (Internal Medicine)
Fellow of the Academy of Medicine, Singapore (Dermatology)
Dr Koh Hong Yi is a Ministry of Health-accredited dermatologist with over 20 years of experience in medical, surgical and aesthetic dermatology.
He trained in Singapore and the UK, and is particularly interested in Mohs micrographic surgery, dermatologic surgery, skin cancer care, and inflammatory skin diseases.
Prior to private practice, he founded the Mohs Surgery Service at Singapore General Hospital and served as consultant dermatologist and Adjunct Assistant Professor with Duke-NUS Medical School, contributing to clinical research and education.
About Dr Koh
