Weekend Wonderings: Does behentrimonium methosulfate destroy proteins? Does castor oil contain ricin? Can we create a waterless cleanser? And a recipe for an oil based cleanser from Artemis!

DOES BEHENTRIMONIUM DESTROY PROTEINS?In this post, Workshop!, Irina asks: I have read that BTMS cannot be used with proteins as it destroys proteins. What are you thoughts about this, is this true? Also, have you ever worked with peptides? Peptides said to be very fragile and do not like oils, how do you handle them?It depends…