Is it safe to put some of this de-icing spray into my wiper fluid

Do you spray washer fluid to avoid scraping your car's windows? - The Globe and Mail

Alaskan® Alaskan® Multi-purpose De-icer Aerosol

Check the Level of Windshield Washer Fluid in Your Car

Prestone AS240 Windshield Washer Fluid Booster De-icer Additive - 15.5 Oz for sale online

Splash Red Hot De-Icer Windshield and Wipers Trigger Spray, 32 Ounces (Pack of 6)

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Prestone Windshield De-Icer is made from a concentrated high-performance ice-melting formula that melts ice fast and helps reduce dangerous re-freeze. Convenient ice scraper top helps clear icy windshields fast. Methanol is considered the most effective alcohol for melting ice. The high methanol content in Prestone Windshield De-Icer ensures strong ice-melting power, with a uniquely designed micro-edge ice scraper that can withstand tough use.

Prestone Windshield De-Icer - 17 oz