Inoa by LOreal Professionnel is the revolutionary oil-based, ammonia-free permanent hair colour system.Hair is respected, and scalp is treated gently.* Experience natural reflects, sublime shine and a perfect coverage.The result of 15 patents. The ODS (Oil Delivery System) technology helps to optimise the effectiveness of the hair colour system.*96% of women are convinced by INOAWe cannot accept returns on this product.