Thank you @dibbles
for tagging me. I agree with @KiwiMoose
, it depends how it is kept and made.
The Frida soap is still at display in a shadow box, going on two years now. I saw it the other day but didn’t stop to study it. Will do that next time. The box has a glass cover and it sits on a table by the entrance door (gets some filtered sunlight) and I did notice that the green background had started to show DOS signs a while back. (some yellowing around the edges, like mentioned here
.) However the face itself has not changed (I did not use any fragrance on it).
Back then I blamed the sun and I know that had something to do with it, but later I had reason to believe it was the fragrance I used. (A very old fragrance). I made another soap, split it in half and used the same fragrance as the Frida soap for one half, the soaps made with that half turned rancid very quickly while the other soaps remained fresh much longer. So I would suggest:
- using a very low superfat recipe
- Having a water discount
- using fresh oils, including fresh fragrance oils or no FO
- Keeping some moisture absorbing beads in the display case (like the ones in tiny packets that come with new stuff)
- keeping it away from sunlight
- avoid TD If possible. I often get DOS in my white soap dough colored with TD more than any other color. I thought the white was what made it more noticeable, but the other colors don’t smell off.
would love to see what you make!