It appears that hanging beeswax in the sun for several weeks does appears to bleach it! Unfortunately the bigger bits of beeswax I have put outside haven’t bleached so I’m trying a different approach with them. This entails melting the Wax in water so the wax floats to the top as thin sheets that I can hang outside to bleach. just to find some pegs for the hanging part now, which are surprisingly difficult to find at the moment.