Which of the following involves causing protein precipitation, drying out the skin, and stopping bleeding?

What substance involves causing protein precipitation, drying out the skin, and stopping bleeding?

An astringent causes protein precipitation, drying of the skin, and it can be used to stop bleeding. Astringents work by coagulating protein in the skin cells and causing contraction of body tissues, which can help reduce oiliness and acne.

Explanation:

An astringent typically works by coagulating protein in the skin cells and tissues, which can lead to a drying effect and result in causing contraction or shrinkage of body tissues. Astringents are often used in over-the-counter skin care products to help reduce oiliness, acne, and dandruff. They are also beneficial for stopping bleeding in minor cuts and injuries by causing the surrounding tissue to contract and forming a barrier against bacteria.
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