The Silybum marianum extract is known as Silymarin, which is composed by the flavolignans silybin, silydianin and silycristin. The free radical scavenging capacity of the extract was established in vitro by totally suppressing the release of reactive oxygen species by stimulated leukocytes, while in humans Silymarin Phytosome® (the Phytosme® delivery system from) reduced the incidence of UVB induced redness.
The ingredient described is offered for consideration for use in cosmetics products. The information provided describes historical use, ingredient activity and other information that may be relevant to their use in such products. How each ingredient would contribute to a particular product would be formulation specific.