Soap is made by saponifying a fat or oil with a strong alkali Dr. Bronner s.With no added fragrance and double the olive oil our Baby Unscented Pure-Castile Liquid Soap is good for sensitive skin ? babies too (though not tear-free!). Dr. Bronner?s soap is concentrated biodegradable versatile and effective. Made with organic and certified fair trade ingredients packaged in a 100% post-consumer recycled bottle. All-One!