Astaxanthin single use: daily use, can be used before and after toner. It is best to use toner and muscle base liquid. Spray twice after cleansing in the morning and evening before using the essence. Because astaxanthin has a sunscreen effect, it can also be used during the day, for the same reason.
Lyophilized powder for single use: Lyophilized powder is a kind of preparation, which should be dissolved in other liquids for oral or skin external use. Freeze-dried powder is not a simple substance, but a preparation form, which is made of liquid substances by low temperature vacuum method.