astringent

A substance that causes the contraction of body tissues.

"Witch hazel is a common natural astringent."

Causing body tissues to contract, tightening skin or staunching bleeding.

"This toner has an astringent effect on pores."

Severe, harsh, or critical in tone, style, or character.

"Her astringent criticism was difficult to hear."

Having a sharp, bitter, or puckering taste or smell.

"The unripe berries had an astringent flavour."