Burned soil can be water-repellent, increasing the risk of flash floods and flows of debris such as downed trees.

Source: https://www.newser.com/story/332719/the-us-is-getting-pummeled-on-both-coasts.html

First introduced in the 1940s, they are used in a wide range of products, from non-stick pans and water-repellent clothing to the foam firefighters use to douse flames.

Source: https://thewatchdogonline.com/is-washingtons-water-safe-to-drink-forever-chemicals-are-found-around-our-water-sources-35456

It's supposed to block humidity and prevent frizz, double as a heat protectant, and even act as a water-repellent for your hair.

Source: https://www.popsugar.com/beauty/color-wow-dream-coat-supernatural-spray-review-48418745

Maine joins other states suing over contamination caused by the chemicals used since the 1940s in nonstick frying pans, food packaging, stain-resistant rugs, water-repellent fabrics and other consumer goods.

Source: https://www.insurancejournal.com/news/east/2023/03/31/714541.htm

The breathable water-repellent Stormwear™ outer keeps you dry in a sudden shower.

Source: https://www.liverpoolecho.co.uk/whats-on/shopping/ms-shoppers-amazed-light-soft-27542134