I did my skincare with COSRX products that I bought with my own money.

COSRX The Vitamin C 23 Serum is
It contains pure Vitamin C.
It also improves uneven skin tone and provides clear, healthy skin care.
It is an incredibly powerful, high-intensity Vitamin C serum that provides help.
To moisturize and prevent oxidation, drop an appropriate amount onto the face at the stage.
You can help it absorb by rolling it from the inside out with your fingertips.
It's great because it can perfectly improve wrinkles and brighten the skin.