Posts Tagged ‘TNS’
June 4th, 2019 by Dr. Hannah Sivak
Skin Actives makes it easy to avoid the few products we make that contain ingredients not suitable for vegans. In the past, skin care companies used a few animal sourced ingredients. One example would be extracts from cow organs used because of their high content of epidermal growth factor. This sourcing was never made evident in the ingredient lists. Another if the use of growth medium that contains fetal cow or horse serum, again because of the presence of growth factors that cells in culture require to grow and divide. This source is not disclosed in ingredient list, as the name used is “human fibroblast conditioned growth medium”. Unless you…