Glutathiosome dark spot serum Vita drop — Reddit Reviews
by Abib
Updated October 6, 2026
Niacinamide dark spot serum Redditors say beats rivals on targeted spots; doesn't oxidize.
What the community says
A niacinamide serum people use for targeted dark spots and PIE, often as a morning step. Redditors like that it works without oxidizing, but the sample size here is tiny and a few mentions are just routine logs.
What this means for you
What people love
Watch out for
Product details
Skin type data limited
What the science says vs. what Reddit says
Acne
Some evidence
Niacinamide: 6 studies tested it on its own. See all 17 studies
Hyperpigmentation
Some evidence
Niacinamide: 5 studies tested it on its own. See all 24 studies
On Reddit: Dark spot targeting wins preference from users focusing on specific marks with niacinamide for fading. 3 mentions
What the studies found
- All of these studies found niacinamide helped fade dark spots or patches
- Niacinamide 5% faded dark spots more than a placebo in studies of sun-damaged skin and dark patches
- Used with salicylic acid peels, niacinamide improved dark patches more than peels alone
- A niacinamide mix faded dark spots better than niacinamide alone in one study
- One study found the fading effect reversed after niacinamide was stopped
Skin Barrier
Not proven yet
Few or mixed studies. This claim isn't established.
Niacinamide: 1 study tested it on its own. See all 17 studies
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 6 mentions across 5 threads
Abib Glutathiosome dark spot serum Vita drop on Reddit, in one place — 5 threads from r/koreanskincare and r/AsianBeauty, summarized.
“Then i found the abib glutathiosome dark spot serum and haven’t looked back.”
Positive
“if theres a dark spot that i’m targeting in particular then the abib wins everytime.”
Positive
“I still use the goodal once in a while”
Positive
“Both of these serums are on sale but i am SO torn on which to get”
Positive
“Personally i tried both and saw better effects with Abib even on PIE”
Positive
“even though this serum is mostly for PIH”
Positive
“Abib glutathiosome”
Positive
“Third this!”
Positive
“It works and it doesn't oxidise.”
Positive
“Other days when my skin's more stable; Numbuzin no. 5 glutathione serum or Abib glutathiosome serum”
Positive
“My current routine:”
Positive
“Abib glutathiosome serum”
Positive
“Abib Glutathiosome Dark Spot Serum Vita Drop”
Positive
“Morning:”
Positive
“Abib Glutathiosome Dark Spot Spot Serum”
Positive
