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numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule featuring a press-and-mix yellow cap design.

numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate

$28.95
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Clinical Study : numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate

Visibly improves dark spots within ~2 weeks
Fast visible brightening effect reported in 2 weeks
Passed skin irritation test (100% skin safety test passed claim)

Frequently asked questions

High-purity Glutathione naturally has a unique, slightly pungent sulfur-like scent. This is normal and indicates the potency of the active ingredients.

Pure Glutathione is highly unstable in liquid. Keeping it in powder form until use ensures you get the strongest possible brightening effect.

Yes! For best results, use the Serum all over your face and the Ampoule as a targeted "spot laser" on your darkest marks.

Yes, but because it contains Vitamin C and acids, you must apply sunscreen as the final step of your routine to prevent new spots from forming.

It has passed skin irritation tests, but due to the high concentration of actives, a patch test is recommended for those with very sensitive skin.

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Clinically proven