Glycerin is an example of a levigating agent used with which type of base?

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Multiple Choice

Glycerin is an example of a levigating agent used with which type of base?

Explanation:
Levigation relies on using a liquid that wets and reduces the particle size of the solid so it can be evenly dispersed in the base. Glycerin is a polar, viscous liquid that mixes readily with water, making it ideal for blending powders into water-removable or water-soluble bases. This compatibility helps create a smooth, uniform paste that can be incorporated into the final base without separation. In contrast, glycerin does not mix well with oil-based, oleaginous bases, so it wouldn’t be suitable for those preparations. Therefore, glycerin is best used with water-removable/soluble bases.

Levigation relies on using a liquid that wets and reduces the particle size of the solid so it can be evenly dispersed in the base. Glycerin is a polar, viscous liquid that mixes readily with water, making it ideal for blending powders into water-removable or water-soluble bases. This compatibility helps create a smooth, uniform paste that can be incorporated into the final base without separation. In contrast, glycerin does not mix well with oil-based, oleaginous bases, so it wouldn’t be suitable for those preparations. Therefore, glycerin is best used with water-removable/soluble bases.

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