Applied in air purification systems for generating negative ions to neutralize airborne pollutants and allergens, water treatment for improving taste and reducing bacteria through ion exchange, health and wellness textiles infused with anion-emitting fibers for enhanced blood circulation, cosmetic formulations for anti-aging and skin revitalization, antibacterial coatings for hospital surfaces and medical devices, electromagnetic radiation shielding in electronic devices, deodorizing additives for refrigerators and air conditioners, ceramic and glass additives for infrared emission and antibacterial properties, agricultural applications for improving soil quality and plant growth, and paint additives for indoor air quality enhancement. Tourmaline nanoparticles naturally emit negative ions and far-infrared radiation, providing multifunctional health and environmental benefits.