Temporary Straightening (e.g., using a flat iron): Offers flexibility to switch between straight and curly styles, but requires daily styling and can be damaging if not done correctly. Permanent Straightening (e.g., keratin treatment or chemical straightening): Provides long-lasting straightness but may require touch-ups. It can be ideal for those with frizzy or curly hair who want a more permanent change. Consider consulting a professional stylist who can assess your hair type and discuss your desired results to help you make an informed decision.