It is highly recommended to avoid tight hats or caps for at least 7-10 days after a transplant to prevent pressure on the newly transplanted follicles. Loose-fitting hats can be worn after this period, but it’s essential to ensure they don’t rub against your scalp. At Radiant Roots, Dr. Chandra provides detailed post-operative guidelines on how to protect your scalp from friction, sweat, and any external pressure that could harm your hair follicles during the initial healing phase.