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With Dr. Preethi Nagaraj and Dr. Johny Chacko, two of the best dermatologists in Kochi at the helm, Twacha Skin and Hair Clinic, Kochi is a premier skin clinic for the treatment of all skin and hair disorders. The skin doctors are trained and well experienced in the management of general dermatology, paediatric dermatology, cosmetic dermatology and trichology (hair disorders).

Dr. Preethi Nagaraj , MD

A firm believer that 'the key to healthy skin is healthy diet and a fit body', she is trained extensively in cosmetic dermatology procedures (including Botox and fillers by Allergan) and regularly updates herself with the latest techniques. Dr. Preethi is a passionate dermatologist, nature lover and a travel writer.


  • Medical Director & Consultant Dermatologist, Twacha Skin and Hair Clinic, Kakkanad


  • ​Gold medal in surgery for MBBS batch of 1999-2000

  • 2 nd Rank for MBBS Batch of 1999-2000

  • 2 nd place in Postgraduate case presentation conducted by St. John's Medical College Research Society

  • Speaker at various CME s in Kochi

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  • Completed MBBS from M.S.Ramaiah Medical College, Bangalore

  • Completed MD (Dermatology, Leprology and Venerology) from the prestigious St. John's Medical College Hospital, Bangalore

  • Obtained IADVL training fellowship in Pediatric Dermatology 


  • Articles published in IJDVL  

  • In the Expert panel of Doctors for B Positive Magazine

  • Regularly contributes to Stayfit, Women's Era and Fwd Life Magazine

  • Presented papers at national and international conferences

Dr. Johny Chacko , MD

Dr. Johny, with his calm and pleasant attitude, believes that educating the patients about their skin problems yields better response to treatment. A University level sports scholarship holder, he loves running marathons. He is well trained in peels, lasers, microneedling, botox, fillers and PRP treatments.


  • Consultant Dermatologist & Cosmetologist, Twacha Skin and Hair Clinic, Kakkanad

  • Consultant Dermatologist, KINDER Hospital, Kochi


  • 1 st place in 'postgraduate quiz' conducted at International Dermatopathology symposium, Bangalore 2010

  • 'K.S.Siddappa Medal' for "Best Original Research Paper" at the Indian National Conference 2011

  • Rajiv Gandhi Sports Scholarship awardee



  • Completed MBBS from the prestigious St. John's Medical College Hospital, Bangalore

  • Completed MD (Dermatology, Leprology and Venerology) from  St. John's Medical College Hospital, Bangalore


  • Advisory board member, Cipla, Johnson & Johnson and Abott

  • Speaker at CME s in Kochi

  • Ex- Joint Sceretary , Cochin Derma Club

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