Cera bellina is a neat ingredient, it makes the finished product very silky and I think reduces the tackiness that beeswax can get when a lotion bar is used over and over. I've not tried other waxes, though soy wax might suit. When making candles I frequently rub the little drips onto the back of my hand and it absorbs quickly without being tacky or sticky.
For a few months, I did a trial of a much simpler recipe, focusing on either mango, shea or kokum butters. Men vastly preferred kokum, it feels very dry and doesn't make your skin shiny - which seems to be a turnoff for men. Women preferred shea because it was so rich and it did make your skin look freshly oiled, at least for a moment. Mango was kind of the odd one out because it fell in the middle.
I wanted to see if I could get the deep moisturizing of shea but the quick absorption of kokum. It turned out for me blending all 3 seems to work. And I would put Argan oil on my salad if I could, I love that stuff.
Working off of
@Zing's proportions initially, I finally settled on 22% wax, 42% hard butters, 36% oils. I use deodorized cocoa butter, and refined shea, which *I think* is harder, but that's just me. I use a VERY small amount of seabuckthorn, just enough to turn the oils a light orange color, and the bars become a lovely golden.
I dry them for about 10 days or so until they can be picked up without leaving a fingerprint.
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