Dr Nikolic specialises in aesthetic medicine and remains at the forefront of the latest advancements in his field. He is highly driven, has lectured extensively, and has performed live demonstrations across South Africa and internationally, including in Bangkok, Rome, Paris, Monte Carlo, Prague, and Warsaw. Dr Nikolic focuses on skin care, skin ingredients, and cosmetic dermatology treatments such as Dermapen MD, lasers, chemical peels, Botox, and Dermal Fillers.