Ammonia-Free vs Ammonia Hair Colour: What’s the Real Difference?

At Cognito Hair, we value consistency, performance, and hair health. That’s why we’ve chosen Keune as our colour range. Their ongoing research and development focus on maintaining the integrity of the hair while delivering long-lasting, reliable colour results. In recent years, there’s been a noticeable rise in requests for ammonia-free hair colour. But is ammonia-free […]