... replacement to maintain the use of the effectiveness of the main peak wavelength = 370nm (This wavelength is visible light, harmless to eyes, but ... manicure, refers to the prop, coated seal coat of glue on the gel, light therapy lamp curing fetch prop trim polished, modified ... : manicure tool, refers to care, sealing layer plastic, light therapy pen, the basis of color and color gel, quick-drying water ...