Answer (1 of 2): NO! It will make a mess of the fabric, and more so when it hits the water. Use a “laundry marker pen” especially made for the purpose. You can usually find them in the soap aisle.
Yosogo Permanent Fabric Marker Pens (3 Colors) - Pack of 10 Non-Toxic Long Lasting Fast Drying High Performance Stationery Essential Laundry Markers for School and Work : Office Products
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Great for marking clothes Manufactured by;: Sharpie
Sharpie Rub-a Dub Laundry Markers Black, 2pk
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