Oral care product “Cha Dong” from Bo Suak Sub-district, Nan Province, Thailand. There was born from the cooperation between people in the community and Mae Fah Luang University jointly developed. Currently, the community has 2 types of cosmetic products developed by Mae Pha Luang University for oral hygiene, namely Tea Forest Toothpaste and Tea Forest Mouthwash, which contains active ingredients from Miang leaves. or tea leaves grown in this Bo Suak community.