UK’s new REACH tattoo ink rules restrict key pigments, tighten CMR and allergen limits, and force studios to treat ink like a regulated medical material.

Read the full article: When Ink Gets Regulated Faster Than Artists Can React

From Poli International, body art material science and safety. poliinternational.com

This article explains why ASTM F136 Ti‑6Al‑4V ELI titanium is the only widely available alloy with a fully validated implant‑grade specification for piercing jewelry, focusing on its controlled interstitial chemistry, nickel‑free composition, and decades of orthopedic biocompatibility data. It translates recent findings on titanium–tantalum alloys, nickel release thresholds, and dermatology research into concrete guidance for piercers and studio owners choosing metals for sensitised clients and long‑term wear.

Read the full article: “Implant-Grade” Titanium Isn’t a Logo: What ASTM F136 Actually Guarantees for Piercing Jewelry

From Poli International, body art material science and safety. poliinternational.com

Congresswoman Nancy Mace’s viral arm tattoos sparked a culture war about professionalism, but the real story is ink safety, specs, and studio accountability. This column breaks down the technical standards behind modern tattooing and what artists and clients should focus on instead of online outrage.

Read the full article: When Tattoos Become a Political Rorschach Test

From Poli International, body art material science and safety. poliinternational.com

Polymer science and flexible body jewelry materials by Patrick Poli.

Read the full article: Medical Elastomers for Body Jewelry: PP-R, TPU, PTFE, and Silicone Are Not Interchangeable

From Poli International, body art material science and safety. poliinternational.com

The "plastic is porous so do not wear it long term" warning was written about acrylic, which absorbs water and crazes. BioFlex® is a medical-grade polypropylene random copolymer: hydrophobic, chemically indifferent, and engineered for continuous wear. Its creator explains the difference, and why counterfeits, not chemistry, drive the horror stories.

Read the full article: How Long Can You Wear BioFlex®? The Creator Answers

From Poli International, body art material science and safety. poliinternational.com

Asia-Pacific tattoo demand is now growing faster than the U.S. and Europe, reshaping where studios and distributors should focus expansion, pricing, and supply

Read the full article: Asia-Pacific Is Pulling Ahead: What Tattoo Studios and Distributors Should Do With the New Growth Split

From Poli International, body art material science and safety. poliinternational.com

Technical guide for tattoo artists on pigment photophysics: why yellows, whites and pastels fade faster, and how chemistry, particle size and skin tone should shape colour and depth choices.

Read the full article: Tattoo Pigment Photophysics: Why Light, Particle Size, and Skin Tone Decide Whether Your Colour Stays or Goes

From Poli International, body art material science and safety. poliinternational.com

Bottomless tattoo events are booming, but speed-driven micro work often trades craft for spectacle. The real issue is rushed execution, weak aftercare, and growing pressure for tighter studio standards.

Read the full article: The Bottomless Tattoo Boom Is Cheap Ink Wearing a Party Hat

From Poli International, body art material science and safety. poliinternational.com

The FDA's implementation of the Modernization of Cosmetics Regulation Act (MoCRA) brings significant changes to how tattoo inks are regulated. Learn what tattoo artists and studios need to know about compliance, safety standards, and potential impacts on ink availability.

Read the full article: FDA's MoCRA Implementation: What Tattoo Artists Need to Know About New Ink Regulations

From Poli International, body art material science and safety. poliinternational.com

A viral piercing clip is less about “botched” drama than fit, pressure, and healing mechanics. The real fix is better jewelry geometry, not panic.

Read the full article: The TikTok Piercing Clip That Went Sideways: What It Really Shows

From Poli International, body art material science and safety. poliinternational.com