Do oxides and ultramarines change scents?

[mjmccauley]

Hey all, I have tried 2 different bars with ultramarine blue and yellow iron oxide in them. I am wondering if they change the characteristics of FO? I tried one with a blend of lemon and orange FO (now smells like play-doh) and another with juniper breeze FO (doesn't smell like the original scent, but not like play-doh either) and there scents changed dramatically. I used the blend of lemon and orange in another bar and the scent is still strong after 4 weeks of curing. Has anyone else had this happen?

 

[carebear]

I've not had any colorants (including these) impact the fragrance. Have you soaped these exact fragrance oils in an identical recipe without the colorants? same conditions?

 

[mjmccauley]

Well, I was just thinking about it and the conditions were the same. I do now remember adding some silk fiber also. Could that have changed the scent?