This is an essential ingredient for handmade cold process soap. Ours comes in micropearl form so it's easy to measure and add to your recipe. It can also be used in in the manufacture of fabric, plastic wrap, paper, drain & oven cleaners. INCI: sodium hydroxide 99% MANUFACTURER: Formosa Plastics Corporation APPEARANCE: white solid micropearls COUNTRY ORIGIN: Taiwan SHELF LIFE: 2 years 25kilos per sack Usage Instructions: Lye can be dangerous if it's not handled properly. Learn how to work with it safely before getting started. Find out how much to use in your recipe with the Lye Calculator. With safety gear on, gloves, goggles, long sleeves, carefully measure the lye into a glass container. Measure distilled water or other liquid into a separate container. Slowly pour the lye into the liquid, never the other way around, and stir until it's dissolved. Let cool and then pour into oils. #causticsoda #sodiumhydroxide #causticsofamicropearl #causticsodapersack