Manic Panic Semi-Permanent Hair Dye in Violet Night is a deep and mysterious shade of purple that adds a bold pop of color to your hair. Achieve a bold and vibrant look with Manic Panic Semi-Permanent Hair Dye in Violet Night. This deep and mysterious shade of purple is perfect for those looking to add a touch of color to their locks. Made with high-quality ingredients, this product provides long-lasting and vibrant color that will turn heads. With four ounces per bottle, you'll have enough product for multiple applications.