What it is: Bigen Semi-permanent Hair color is a semi-permanent hair color product that is an oil-rich gentle conditioning formula that nourishes hair with honey sunflower and beeswax. Get long-lasting color without ammonia or peroxide and excellent gray hair coverage. What it does: Infuses a vibrant ruby red hue into your hair for intense long-lasting hair color with sleek and shiny results and effective hair color depositing with minimal dripping. What else you need to know: Bigen semi-permanent hair color is safe for all hair types including chemically treated and relaxed hair. Leaves hair soft shiny and glamorous. The Bigen semi-permanent hair color is hydrogen peroxide and ammonia-free. For the absolute best results use the entire Bigen hair color bottle to ensure that your hair is fully saturated. Processing time is 25 minutes at room temperature. However freshly relaxed hair may require less time. Tip - for lasting results place a plastic cap over your hair sit under a warm hair dryer for 10 minutes and then allow your hair to cool for 5 minutes. Heat is not suggested for freshly relaxed hair.