💁♀️ Color Your World Instantly! Ammonia-free formula ensures your hair stays healthy and shiny. Instant results for the busy professional on the go. Vegan-friendly ingredients that care for you and the planet. Achieve vibrant, long-lasting color without the harsh chemicals. Professional-grade results that elevate your at-home hair care routine. Vegan-friendly ingredients Ammonia-free formula Instant application Rev-Lon Top Speed Professional Ammonia Free Instant Permanent Hair Color in Dark Brown No. 65 offers a salon-quality hair coloring experience at home. This ammonia-free formula provides vibrant, long-lasting color while being gentle on your hair, making it perfect for the eco-conscious consumer.