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Public-health case investigations (including a high-profile cluster published in NEJM) traced clusters of nontuberculous mycobacterial (NTM) skin infections to contaminated inks or dilution with non-sterile […]

High-frequency (≈20 MHz) high-intensity focused ultrasound (HIFU) has emerged as a complementary — and in some reports even stand-alone — method for ablative tattoo removal […]

Analytical teams have adapted Raman spectroscopy and surface-enhanced Raman spectroscopy (SERS) into rapid, non-destructive methods that can identify pigments directly in skin or ink bottles […]

Optical Coherence Tomography (OCT) and the newer line-field confocal OCT (LC-OCT) offer dermatologists real-time, non-invasive imaging of tattoo pigment clusters in the dermis visualizing pigment […]

Epidermal electronic tattoos (ultra-thin, conformal circuits printed on temporary/transfer substrates) have matured into battery-free NFC/near-field devices that can store small data, run passive sensors, or […]

A string of analytical and epidemiological studies has shown that particles and chemical impurities from tattoo inks (notably carbon black and polycyclic aromatic hydrocarbons, PAHs) […]

Market surveillance rounds in several EU countries have found banned pigments and non-compliant inks still being sold after REACH restrictions — a supply-chain and enforcement […]

Researchers are pairing lasers with acoustic methods (photoacoustic monitoring and acoustic shock/ultrasound) to both improve tattoo-pigment fragmentation and provide real-time feedback on treatment efficacy. Photoacoustic […]

To create immutable records for pigment origin, lab analyses, and conformity certificates, some outfits are piloting supply-chain traceability using blockchain ledgers (analogy: food and luxury-goods […]

Japanese researchers unveiled a tattoo-like patch inked onto the skin that changes hue when cortisol levels rise, offering a visual stress indicator. This could benefit […]