The Adong Liquid Mask (Adult) is a groundbreaking respiratory protection solution featuring IgM nanoimmunoglobulin in its pentamer form. When sprayed, it creates an invisible protective layer that effectively shields the respiratory tract, offering a unique "non-sensitive" and "efficient" protective experience. This innovative formula physically protects the respiratory system by forming aggregate particles, ensuring that harmful particles are kept at bay. Additionally, the Adong Liquid Mask is safe and non-irritating to the nasal mucosa, making it suitable for everyday use. Experience unparalleled respiratory protection with the power of advanced nanoimmunoglobulin technology.