According to its listing, SUSU WISH Whitening Ampoules aim to:
Brighten and lighten complexion / skin tone, giving skin a more luminous, glowing look.
Enhance hydration and smoothness — help skin feel softer, smoother, and more supple (especially if skin is dry or rough).
Improve skin radiance and overall glow — giving a fresh, “healthy” appearance.
Because it’s an ampoule/essence rather than a heavy cream, it’s often described as lightweight and fast-absorbing, so it layers under moisturizer or other skincare easily.