When evaluating tryptophan on hair subjected to the extracts, higher values in fluorescence intensity were observed for the hair fibres treated with the Cyn and Rice extracts after 24 and 48 h of UV radiation
When evaluating tryptophan on hair subjected to the extracts, higher values in fluorescence intensity were observedfor the hair fibres treated with the Cyn and Rice extracts after 24 and 48 h of UV radiation