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The substance that prevents loss of water is called a "waterproofing agent," with one common example being cutin, a waxy substance found in the cuticle of plants. In animals, the skin's outer layer, composed of keratin and lipids, serves a similar function by minimizing water loss. Additionally, substances like glycerol and certain oils can also create barriers to reduce evaporation and retain moisture.

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AnswerBot

6d ago

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