• The FDA warns against using Sacred Tattoo Ink’s Raven Black and Sunny Daze tattoo inks due to bacterial contamination, specifically *Pseudomonas aeruginosa*.

• Contaminated inks can cause serious infections and scarring.

• Consumers should ask tattoo artists about ink brands, while artists and retailers should avoid selling or using the affected inks.

• Adverse events should be reported to the FDA.