If you want to maintain your relationship whit your cravat as long as possible, you need to remember some simple care tips:
the best for the cravat is hand wash mode and definitely not with hotter than 30 degrees water;
cravat should drip dry and should not twisted after washing;
cravat should be ironed at a low temperature (iron heat #1), silk or silk blend cravats can be ironed with more heat only with a steam iron filled with water;
cravat (especially made of silk and silk blends) should not be dry cleaned;
you should not bleach you cravat never ever.