All Good Things Need Love Gentle, Cold Wash Cotton shrinks quickly in hot water. Hand wash your Curwish in cold water or use the delicate cycle on your machine. Dry in Shade Sunlight dulls dyes that are used to color cotton. Line dry your Curwish in the shade, or tumble dry it on low. Dry in Shade Sunlight dulls dyes that are used to color cotton. Line dry your Curwish in the shade, or tumble dry it on low.