24779
Conclusion : Topically applied SFN in the PEG base formulation significantly reduced AP - 1 activation after UV stimulation in the skin of a transgenic mouse model , indicating that SFN in this formulation retains efficacy in vivo .
 Chemical: SFN; Chemical: PEG; Chemical: SFN
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: SFN; Chemical: PEG; Chemical: SFN