September 2022 in “World Journal of Advanced Research and Reviews” This study introduced a Density-Calibrated Airtouch Protocol (DCAP) that suggests customizing the Airtouch hair coloring technique based on client hair density to optimize color blend, pigment longevity, and hair health.
March 2026 in “International Journal of Science and Research Archive” In this article, the authors describe how hair coloring in 2026 has transformed into a sophisticated, scientifically precise process involving advanced techniques, pre-treatment diagnostics, and careful chemical management for safe application.
December 2025 in “Universal library of medical and health sciences.” This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.
