The Switzerland Federal Environment Office has categorized UNIVERSAL STONE as free of toxins after a study of the supplied sample, (BAG) T No. 96047 (Phosphor free!)
The result of examination No. 403677 of the "Eidgenössische Materialprüfungs- und Forschungsanstalt" from St. Gallen had proved that the organic ingredients in UNIVERSAL STONE reached 97% bio-elimination just after two weeks of testing. This means UNIVERSAL STONE is biodegradable!
Clinical testing on individuals with allergies and asthma (including allergic skin disorders) proved that UNIVERSAL STONE is a safe product for individuals with these conditions.
Universal Stone is a compressed powder made from earth/polishing clay, glycerin, green soap, soap flakes, vegetable oils and perfume oils.