Why does C360 Health - Revive & Rejuvenate look milky or have crystal-like fragments in it when I shake it up? Functional Self Support August 23, 2022 12:48 Updated The particles are active ingredients that must be mixed in to obtain the serum’s full effect. Related articles How do I store C360 Health - Revive & Rejuvenate? How does C360 Health Revive & Rejuvenate work? Comments 0 comments Article is closed for comments.