The booster is the secret ingredient of Street Killer Ink, the magic powder that makes ink stronger than ever. 8 grams of pure power that provide an extra boost to your tags: simply mix the powder with your favorite ink to make it more resistant to smudging and to penetrate better into porous surfaces.

• Death Black
• Splatter Red
• Two Champagne Blue
• Jellyfish Fuchsia

Each color has the ability to change shade when light hits your mark, while the UV filter will protect it from fading. For the best possible results, let it sit overnight before use: the chemical reaction will be even more destructive. One bag is ideal for 4 packs of 200 ml of product.