Defy Damage Protective Shield by Joico is a leave-in treatment designed to maintain the healthy condition of your hair while preventing future damage. This innovative formula is perfect for hair that is generally in good shape but needs protection against everyday stressors. It acts as a barrier against heat damage from blow-drying and styling tools, as well as mechanical damage from styling and chemical treatments, ensuring your hair remains strong and vibrant.

To use, simply apply a small amount of the Defy Damage Protective Shield to clean, damp hair before styling. Distribute evenly from roots to ends, focusing on areas that are more prone to damage. This lightweight shield works seamlessly with your styling routine, offering an invisible layer of protection without weighing your hair down. Enjoy the confidence of knowing your hair is safeguarded against the elements that can compromise its health and beauty.