The shelf life of Resurrection Grass facial mask is as follows:
1. Unopened shelf life: The shelf life of Resurrection Grass facial mask is usually 3 years when it is unopened. This information comes from multiple reliable sources, including product descriptions and consumer feedback.
2. Shelf life after opening: once opened, the shelf life of Resurrection Grass facial mask is recommended to be used up within 1 year. Since the facial mask is exposed to air after opening, its composition may gradually change, affecting the use effect and safety.
3. Use frequency and dosage: Generally speaking, the use frequency of Resurrection Grass facial mask can be determined according to individual skin texture and needs, but it is generally recommended to use it 1-2 times a week. A 175g bottle of Resurrection Grass facial mask can be used for 3 to 5 months depending on the amount of each use.
The warranty period of Resurrection Grass facial mask is up to 3 years when it is unopened, but it should be used within 1 year as soon as possible after opening to ensure the best effect and safety of the product.