╰┈➤Factory sealed bottle Full size 8.5 fl oz The batch code is shown in photos This moisturizing leave-in provides instant results and continuous repair and protection from cortex to cuticle. No. 5 LEAVE-IN™ immediately seals split ends and promotes visibly healthier hair after just one use. Go beyond hydration with OLAPLEX Bond Building Technology™ and High-Adhesion Sealing Complex.