Allergy risk: Metal particles from tattoo needles detected in the skin for the first time - Particles containing nickel and chromium also enter the lymph nodes

Micro and nanoparticles of metal from tattoo needles can be deposited in the skin and in lymph nodes. This is the result of researchers from the German Federal Institute for Risk Assessment (BfR)

Pharmaceutics, Free Full-Text

Tattoos – more than just colored skin? Searching for tattoo allergens - Weiß - 2021 - JDDG: Journal der Deutschen Dermatologischen Gesellschaft - Wiley Online Library

Particles from tattoo needles found in lymph nodes

Current Oncology, Free Full-Text

Tattoo allergy. Can we identify the allergen? - ScienceDirect

Tattoo needle wear biodistribution and supposed contribution to allergy

Hypersensitivity to permanent tattoos: Literature summary and comprehensive review of patch tested tattoo patients 1997–2022 - Schubert - 2023 - Contact Dermatitis - Wiley Online Library

IJERPH, Free Full-Text

Immune Responses to Tattoos