Glycerin is a humectant (it attracts & retains moisture). Products that will not dissolve in water, will dissolve in glycerin.

Castor oil is an oil that is produced from castor seeds. Castor oil is rich in fatty acids and acts as a humectant in soaps and cosmetics as it draws moisture to itself.

Each mold is 2" x 3" x 1" deep. Holds 3.7 oz. Maximum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Each mold is 3.5" x 2.25" x 1.128" deep. Holds 2.9 oz. Maxiumum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Each mold is 2" x 3 3/16" x 1" deep. Holds 4 oz. Maxiumum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Each mold is 2" x 3 3/16" x 1" deep. Holds 4 oz. Maxiumum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Each mold is 2 1/8" x 2 5/8" x 1" deep. Holds 2.9 oz. Maxiumum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Each mold is 2 3/8" x 2 3/4" x 1" deep. Holds 2.95 oz. Maximum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

This Gingerbread Rectangle Clamshell is great for the holiday season! Use droppers to create detailed gingerbread man soap bars to give to guests and friends! Each mold is 3.25" x 2" x 1.125" deep. Holds 4 oz. Maxiumum pour temperature: 180º F. When making MP Soap, just pour your soap into the clamshell. When the soap is firm, close the back. You've molded and packaged your product all in one step. Big time saver!

Zinc Oxide is a white powder that offers astringent properties.