High shine gel conditioner. Oil enriched care for dull hair. 5th avenue NYC. IPN: Interlock protein network. Detangle and turn up the shine on dull hair with this sparkling gel conditioner. Diamond Oil High Shine Conditioner with Redken's exclusive strengthening interlock protein network and sparkling oil complex leaves hair feeling moisturized with radiant shine. Hair feels conditioned yet airy and sparkles with multi-faceted diamond-like shine. Suitable for color-treated hair. redken.com. Made in USA.