Professional ammonia-free hair colour with oil-infused formula: L'Oréal iNOA delivers salon-quality colour with exceptional shine and scalp comfort. Ideal for stylists and colour professionals seeking a gentler, more manageable application. Who It's For / What It Solves iNOA is designed for salon professionals and colour-conscious clients who want vibrant, long-lasting colour without ammonia's harsh smell and potential scalp irritation. The oil-enriched formula addresses concerns about colour damage and dryness whilst providing complete coverage of stubborn grey hair. Key Benefits Delivers noticeably shinier, healthier-looking results compared to pre-coloured hair Oil-infused system provides superior scalp comfort during application Smooth, fluid consistency makes mixing, applying and rinsing faster and simpler Achieves full coverage of white and resistant hair with consistent colour payoff Who It's Best For Professional stylists working in salons, colourists handling regular colour services, and clients with colour-treated hair seeking a gentler formulation. Suitable for all hair types when used with the appropriate oxidant strength. How to Use (Quick Guide) Always wear disposable gloves. Mix equal parts iNOA colour and compatible oxidant (10, 20 or 30 volume maximum) until smooth and consistent. Apply to roots first, then extend through lengths and ends as needed. Leave for 35 minutes without adding water. Gently emulsify, then rinse thoroughly. Follow with iNOA Post shampoo or Metal Detox to protect colour and maintain hair condition. Do not use metallic applicators. Why Buy from Charlie's Hair & Beauty Family-run since 1986 Authentic stock Fast UK delivery