BOCA RATON, Fla.--(BUSINESS WIRE)--Greyson International, Inc. (GYSN.PK) announced today that it has received results from a safety study on Trilexon®, a new delivery system designed by Greyson that improves the effectiveness of topical applications. The study confirms that Trilexon® is safe to use and does not cause irritation to the skin. These results allow Greyson to begin marketing Trilexon®.