Green Tangerine Vitamin C Dark Spot Care Serum — Reddit Reviews
by Goodal
Updated October 3, 2026
Vitamin C and niacinamide for brighter, less spotty skin; sticky finish.
What the community says
A vitamin C serum built around tangerine extract, niacinamide, and arbutin for brightening and dark spots. Redditors like it for dullness and post-acne marks, but the dry-down is tacky and some people find it irritating.
What this means for you
What people love
- Brightening classic for dark spots
- Gentler than many vitamin C serums
- Hydrating, light water-gel feel
Watch out for
- Sticky and slow to dry down
- Can irritate reactive or breakout-prone skin
- Not fungal-acne safe
Product details
Skin Type
Product Traits
Key Ingredients
Where to buy
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: Vitamin C derivatives soothe reactive skin while gently brightening dark spots on the face and legs. 13 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
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 32 mentions across 27 threads
Goodal Green Tangerine Vitamin C Dark Spot Care Serum on Reddit, in one place — 27 threads from r/koreanskincare, r/AsianBeauty and 3 more, summarized.
“The Goodal tangerine serum”
Positive
“My mum is in her 60s and uses the Dr G range”
Positive
“the marks genuinely faded, and it is the one I judge everything else against.”
Positive
“thick, slow to absorb, and sticky under sunscreen.”
Positive
“i still use the goodal once in a while bc i love the smell and i do feel like it brightens at baseline”
Positive
“Goodal Vita-C serum”
Positive
“Beauty of Joseon Green Plum toner, Goodal Vita-C serum, Sooryehan Bon Firming Eye cream”
Positive
“When the Goodal Green Tangerine Vitamin C serum was popular, I used about two to three bottles, and I genuinely felt my skin brighten as my dark spots faded.”
Positive
“But after I stopped using it, my skin tone went back to how it was.”
Positive
“For a dull complexion, I suggest using a niacinamide or vitamin C serum.”
Positive
“Goodal Vitamin C serum”
Positive
“Tried it cause it seemed highly recommended and I had an acne scar.”
Positive
“I think it really works but you have to be consistent.”
Positive
“Goodal | Green Tangerine Vita C Dark Spot Care Serum”
Cautionary
“if you are prone to getting pimples with oils, avoid.”
Cautionary
“Also didn’t seem to do anything for my skin.”
Cautionary
Dupes & Alternatives
Anua
Azelaic Acid Hyaluron Redness Soothing Serum
Better for Hyperpigmentation
6 shared traits
713 mentions
