The affected “Raven Black” ink has CI# 77266, Lot#: RB0624 and a “Best Before” date of June 28, 2027, on the bottle, according to the recall notice.

The latest study tested 75 samples of sealed tattoo and permanent makeup ink sold in the United States by 14 manufacturers that were not named by the FDA. Some of the samples were labeled as sterile.

Because some cultures frown upon permanent body art, the friends conjured the idea of fading ink to make the industry more inclusive. Jeff Liu, CEO of Ephemeral Tattoo.

The biobased materials start-up Living Ink Technologies has solidified scale-up plans for algae-based carbon black. The firm pyrolyzes algae biomass waste to create a black pigment suitable for ...