After getting a perm, it's generally recommended to wait at least 24 to 48 hours before washing your hair. This waiting period allows the chemicals to fully set and the curl pattern to establish properly. Washing your hair too soon after a perm can interfere with the setting process and potentially weaken or loosen the curls.

Here are some tips for post-perm hair care:

1. Wait: As mentioned, avoid washing your hair for at least 48 hours. This time frame gives your hair enough time to recover from the chemical treatment and allows the curls to set.
2. Gentle Washing: When you do wash your hair, use a sulfate-free shampoo that's gentle and designed for chemically treated hair. Sulfates can strip away the natural oils and the perm solution, leading to faster fade-out of the curl.
3. Condition Thoroughly: Use a moisturizing conditioner to replenish any lost moisture from the perming process. Curly hair, especially after a perm, needs extra hydration to look and feel its best.
4. Cool Rinse: Finish your shower with a cool water rinse to help seal the hair cuticle, lock in moisture, and enhance shine.
5. Be Gentle: When washing and drying your hair, be as gentle as possible. Avoid rough scrubbing or aggressive towel-drying, which can disrupt the curl pattern. Instead, blot or squeeze excess water out of your hair gently.
6. Minimize Heat: Try to avoid using heat styling tools for the first few weeks after perming. Heat can further stress your hair and potentially affect the longevity of your perm.

Remember, maintaining your perm involves using the right products, treating your hair gently, and avoiding excessive manipulation. If you have any concerns or questions about post-perm care, don't hesitate to consult with your stylist.