Shine Plus Prolene Silica Conditioner penetrates the hair shaft to seal the cuticle and condition without buildup instantly detangling and smoothing even problem hair. Breakthrough technology cross-links Prolene (a wheat derived protein-proline)and Silica (a natural shine element-silicone) into one molecule for conditioning and glossing benefits that won't wash away. Adds superior shine, manageability and body as it polishes and protects.