The same silky-soft, shine-boosting OI Shampoo you know and love—now in a more sustainable refill pouch designed to keep your favorite bottle topped off while using less packaging.
 
This rich, creamy cleanser gently removes buildup while helping smooth frizz, boost softness, and leave hair feeling healthy, touchable, and effortlessly polished. Infused with antioxidant-rich Roucou oil, OI helps support strong, shiny, beautifully manageable hair with that signature cozy-luxe finish. ✨
 
A simple little ritual that’s kinder to both your hair and the planet.
 
Ideal for:
All hair types craving softness, hydration, shine, and smoother, more manageable hair—especially anyone wanting a more sustainable way to refill their favorites.