The word "astringent" derives from Latin adstringere, meaning "to bind fast".Definition: Astringent is a drug that reacts chemically with cellular proteins producing limited coagulation which is accompanied with shrinkage of body tissues. Astringent protects from external irritation and reduces cellular permeability It also possesses local styptic and local antiseptic actions
What is a lotion ?
It is a biphasic system of immiscible phases stabilized by a surface active agentWhat is the difference between creams and lotions?
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