One of the easiest ways to make DIY soap is with the cold process method, which involves combining oils and sodium hydroxide lye, causing a chemical reaction called saponification. In the process ...

Recipe from the Little Soap Company ... Nottinghamshire Introduction to cold-process soap making, one-on-one session, £240 (www.soapologystudio.co.uk; 07739 988483) Makesoap.biz Cold-process soap ...