Osis+ Volume Kit lets you achieve salon-quality volume and shine with this professional styling duo. OSiS+ Grip Extra Strong Mousse delivers intense hold and fullness while maintaining a natural finish and heat protection for styled hair. Pair it with OSiS+ Glow Frizz Control & Shine Serum to tame flyaways and restore luminosity without heaviness. Together, these products create manageable, polished results that last throughout the day.