What are the key ingredients in numbuzin No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate?

Glutathione, Tranexamic Acid, Niacinamide, Hippophae Rhamnoides Water, Ascorbic Acid, Bisabolol, Panthenol, Tocopherol, Thioctic Acid, Ubiquinone

No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate

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Creators keep circling back to numbuzin No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate when they want something they can trust.

4.9

“And this is the best way of kicking in your hyperpigmentation routine”8:49–8:56
“This will tackle and help you get on top of your hyperpigmentation within a month if you use it as per their instructions every day. Be consistent with it. Within a month, you'll be on top of your hyperpigmentation and then you can use other actives to really go into maintenance mode”9:01–9:11
“It's just a great flash fix and I would say the strongest hyperpigmentation serum I think that exists on the Korean skin care market”9:40–9:49
“If at the end of summer I feel that some of my hyperpigmentation might have darkened a little bit, I'll do a month's course of this and that'll just help correct it”9:35–9:40
Source: Numbuzin: The Brand That Changed Korean Skincare - Aug 5, 2026

4.9

“The new ampule that does contain the tranexamic acid is phenomenal”14:10–14:15
“If you liked the original serum and want to maintain that tranexamic acid, this is what I would personally use”14:21–14:28
Source: All-time Korean skincare world rankings - Jan 16, 2026

No negative reviews yet — creators have only had good things to say.

What creators say

Consensus: 4.9 / 5 from 1 creator reviewGrailPeople ratings based on creator reviews.