1. After cleansing, apply toner or serum.
2. Open the pouch, remove the films, and put on the mask.
3. After about 2-3 hours or when the mask turns transparent, remove it and gently massage the remaining essence onto your face.
*TIP*
Better results can be expected if you use it as an OVERNIGHT TREATMENT.
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea]](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-1ea.png)
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea] - Image 2](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-3ea-1.jpg)
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea] - Image 3](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-3ea-2.jpg)
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea] - Image 4](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-3ea-3.jpg)
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea] - Image 5](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-3ea-4.jpg)
![COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask [1ea] - Image 6](https://simplyu.store/wp-content/uploads/2026/02/COSRX-The-Alpha-Arbutin-Discoloration-Care-Hydrogel-Mask-Box-3ea-5.jpg)
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