noun An astringent lotion applied to the skin to reduce bleeding from minor abrasions or as a cosmetic to make the skin less oily.
adjective Causing the contraction of skin cells and other body tissues. (an astringent skin lotion) (of taste or smell) slightly acidic or bitter. (fresh blackcurrants have a rather astringent flavour) Sharp or severe in manner or style. (his subversive and astringent humour)