How long can I keep it at -20°C? Can it be stored for a short time at 4°C or room temperature? Can it be stored at -80°C?

-20°C is effective for at least one year, 4°C can be stored for about 1~2 weeks, it is not recommended to store it at room temperature, it can be stored at -80°C. In order to avoid the negative effect of repeated freezing and thawing on the product effect, it is recommended to dissolve the product completely after receipt and store it in portions as needed.