An astringent is a substance that draws water out of tissues, causing them to shrink. In skin care, using astringent products after cleansing can temporarily tighten the skin, shrink pores, and remove ...

If you have oily skin that’s prone to breakouts, you might be tempted to add an astringent to your daily skin care routine. Astringents may help cleanse skin, tighten pores, and dry out oil.

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