It's a 10 Silk Express In10sives Leave-In Conditioner - 5 oz

What it is:
This hard-core conditioner leverages the strength, softness, and flexibility of real silk protein, in a deep-penetrating formula designed to maximize the effects of multiple conditioning compounds. Drawn largely from natural elements, and perfected by science, It’s a 10 Silk Express In10sives Leave-in will redefine your idea of what’s possible from a leave-in.

What else you need to know:
Softer strands, fewer tangles, better control, more manageability, damage repair, lustrous luxurious healthy shine, restored elasticity, silky smoothness, and more resilience to heat styling, color treatments.