Machine launder in cold water on a gentle cycle.
Use a mild detergent without added bleach, whiteners or softeners
Do not use liquid fabric softener (this can damage cotton fibers)
Remove sheets promptly from the drying cycle to prevent wrinkles
All natural fibers will shrink to some extent. You can expect about 3% shrinkage with Egyptian cotton. To minimize shrinkage avoid hot water washing and high heat drying.