ivon Serum for Dry & Unruly Hair moisturizes hair intensely but without any limpness, cutting away all the frizz, bringing back volume control and giving intense smoothness that lasts for 24 hours! Just apply a few drops on towel dried hair and feel your hair smoothen even as it dries. Livon Serum for Dry & Unruly Hair - get intense smoothness that lasts an entire day.