Siero

Siero is a shaving soap base by Wholly Kaw, a brand of the United States. It is a croap, between hard soap and soft cream. Its ingredient list names castor oil, cocoa butter, kokum butter, lanolin, linseed oil, shea butter, stearic acid and tallow, along with donkey milk, milk and whey. The brand makes its products in small batches.

Listed ingredients

potassium stearate, sodium stearate, aqua, donkey milk, water buffalo milk, water buffalo milk whey, glycerin, potassium tallowate, sodium tallowate, potassium ricinoleate, sodium ricinoleate, potassium shea butterate, sodium shea butterate, garcinia indica butter, theobroma cacao butter, hydrolyzed linseed, linoleic acid, linolenic acid, humulus lupulus extract, lanolin, fragrance, phenoxyethanol, caprylyl glycol, sorbic acid

In the order of the maker's list; amounts are not published.