With Interlock® Protein Network. Oil enriched care for dull/damaged hair. With tri-oil blend. Detangle and turn up the shine on dull, damaged hair. The Diamond Oil™ System with Redken's exclusive Interlock Protein Network and multi-faceted Shine Strong Complex strengthens,* replenishes and protects with each use while delivering a nourishing blend of coriander, camelina and apricot oils. Hair feels stronger and smoother, enhanced with diamond-like shine