Paul Mitchell The Demi Permanent Hair Color delivers exceptional ShineThe Demi conditions hair while it colors, providing incredibly rich results with exceptional shine. The Demi Gentle Conditioning Formula Deposit-only, no-ammonia color is exceedingly gentle and offers outstanding condition. Perfect Gel Consistency Liquid color mixes to a perfect gel consistency that?s ideal for both bottle and brush application. Long-Lasting Rich, vibrant color lasts 4 to 6 weeks. Intermixable Shades Including Clear for unlimited customization and more varied shade options with depth and/or translucency. ATTENTION: This product requires professional expertise. The seller is not liable for any adverse outcome resulting from the use of this product.