IJRAP International Journal of Research in Ayurveda and Pharmacy 2277-4343 Moksha Publishing House 10.7897/2277-4343.140391 PHYSIOLOGICAL ASPECT OF TWACHA VARNA: A REVIEW Vyas Suwarna D Vyas Deepak M * Waghmare Pragati P 11 -0001 100 103 Now a day, Ayurveda is gaining wide popularity in the field of cosmetology. Many cosmetic products are prepared and used on the Ayurvedic concepts. Twacha is matruj bhava. The foetus gets varna in the sixth month of intrauterine life. The word __ampersandsignquot;varna__ampersandsignquot; means lustre of the body. Varna is not just colour but includes all the parameters of healthy and radiant skin. Twacha varna varies among different individuals. In Ayurveda twacha varna occurs as per prakriti. According to current medical science, skin colour depends on the amount of melanin and other factors. So here is an attempt to enlist all the factors responsible for varnotpatti. Twacha Varna Skin Mahabhut Melanin