One.Leave

Meet One.Leave — the multitasking leave-in your routine has been missing. One weightless mist does the work of a shelf full of products: it protects against UV and heat, floods dry lengths with moisture, tames frizz and leaves a soft, glossy finish. Built for summer, holidays and everything the weather throws at your hair — and two years in the making, because we wouldn't launch it until it was perfect.Powered by an 18-amino-acid + collagen complex:• Amino Acid Complex – 18 amino acids that strengthen the hair fibre and support repair• Hydrolyzed Collagen – film-forms to improve resilience and resistance• Panthenol (Pro-Vitamin B5) – deep hydration, elasticity and shine• Coconut Water (Cocos Nucifera) – lightweight hydration and minerals• NMF-like humectants (Sodium PCA + Sodium Lactate) – lock in long-lasting moisture• UV Filter (Ethylhexyl Methoxycinnamate) – shields hair and colour from the sun• Next-gen silicones (Dimethicone, Phenyl Trimethicone) – heat protection, smoothness and shine• Conditioning agents (Quaternium-80, Behentrimonium Chloride) – anti-frizz, detangling and slip