Bigen Vivid Shades Semi-permanent Hair Color, #RP3 Royal Purple - 3 fl oz. Bigen Vivid Shades Semi-permanent Hair Color in the shade #RP3 Royal Purple offers a vibrant and long-lasting color option for your hair. The intense royal purple shade adds a bold and unique look to your style. With a gentle formula, this product is ammonia-free and does not require mixing with a developer. The 3 fl oz size provides ample product for single use or touch-ups. The semi-permanent nature of the color allows for easy application and gradual fading over time. Achieve a head-turning purple hue that is sure to make a statement.