#alltheingredients: Cream of tartar (INCI: potassium bitartrate)

I’m shocked I’ve never written about this ingredient before, so let’s rectify that mistake, eh? Cream of tartar is an an acidic ingredient also known as potassium bitartrate or potassium hydrogen tartrate* derived from wine making, and used a few different ways in cooking and creating bath and body products. We use it as a…