Keep skin clean and dry
Wear moisture-wicking, breathable clothing
Choose well-fitting clothes that reduce friction
Apply anti-chafing balm, petroleum jelly, or zinc oxide to problem areas
Use powders that help absorb moisture if appropriate for your skin
Change out of sweaty clothes promptly
Shower and dry thoroughly after exercise
Use seamless or flat-seam underwear and socks
Reapply protective products before long activity
Cover high-friction areas with bandages or athletic tape
Maintain a healthy weight if excess skin rubbing is a factor
Treat any rash or broken skin gently and avoid further friction
Seek medical care if chafing is severe, infected, or keeps recurring