Which of the following inks should a tattoo artist avoid using?

Tattoo artists should prioritize using inks specifically designed and approved for skin use, avoiding any inks with unknown chemical compositions. Inks labeled for skin use are formulated to be safe for human skin, ensuring they are suitable for tattooing and minimizing the risk of allergic reactions or skin irritations.

Selecting inks with unknown chemical compositions poses significant health risks to clients. The potential presence of harmful or toxic substances in such inks can lead to severe skin issues, infections, or long-term health problems. Without proper labeling and knowledge of the ingredients, tattoo artists cannot ensure the safety and quality of the product they are using.

Therefore, combining the emphasis on using safe, well-labeled inks specifically designed for skin and the caution against inks that lack clear ingredient information highlights the importance of safety and professionalism in tattoo artistry.