Pueraria mirifica “ kwao krua ” is a native herbal plant found in deep forests of the northern region of Thailand . It has been well known to local people for many years due to its distinguished properties and efficacy as well as regarded as the national identity of traditional medicine. Researchers and academics have applied the wisdom and knowledge of old people to reveal its miracle while many state universities have included kwao krua studies in their master degree courses. Herbal Breast Enlargement by Pueraria mirifica In 90% of women, the phytoestrogen from Pueraria herbal will induce the increasing of the cell turgidity but not cell multiplication or proliferation.