Astringent

Noun

 * 1) A substance which draws tissue together, thus restricting the flow of blood.

Adjective

 * 1) Sharp, caustic, severe.
 * 2)  Having the effect of drawing tissue together; styptic.

Thesaurus
Spartan; Spartanic; acerb; acerbic; acid; acidulous; acrid; acrimonious; alum; amaroidal; ascetic; asperous; austere; authoritarian; biting; bitter; bitter as gall; brisk; caustic; clamp; coarse; collapsible; compactable; compressible; compressor; constrictor; constringent; consumptive; contractible; contractile; contractional; contractive; contractor; cutting; deflationary; demanding; double-edged; dour; edged; escharotic; exacting; exigent; fierce; foldable; grim; hard; harsh; incisive; inclement; irritating; keen; meticulous; mordacious; mordant; mortified; nose-tickling; penetrating; piercing; pincer; piquant; poignant; puckery; pungent; restorative; rigorous; roborant; rough; rugged; scathing; severe; sharp; sour; stabbing; stern; stinging; strict; strident; stringent; styptic; styptic pencil; tart; tough; trenchant; ungentle; unsparing; vehement; violent; virulent; vise; vitriolic