Is the physiological seawater with silver collar better or the nose better?

The physiological seawater of the blue waves is good. According to relevant public information, Bilang is a brand of nasal care which has been focusing on nasal health for more than ten years, and belongs to Zhejiang Lang Ke Bioengineering Co., Ltd. The physiological seawater with a concentration of 0.9% is mild and harmless to the nose. Suitable for adults and children. The physiological seawater with silver collar is pungent and expensive.