Collagen Bank 15% Vitamin C Serum — Reddit Reviews
by Neutrogena
Updated September 26, 2026
15% vitamin C serum for watery, quick-absorbing brightening; non-stinging.
What the community says
A watery 15% ascorbic acid serum with 2% gluconolactone, built for brightening and evening out dark spots. It layers easily and tends to suit sensitive skin; if you hate vitamin C stinging, this one’s calmer than most.
What this means for you
What people love
- Watery texture sinks in fast
- No stinging for sensitive skin
- Can help dark spots and uneven tone
Product details
Skin Type
Skin type data limited
Where to buy
What the science says
Hyperpigmentation
Some evidence
Vitamin C: 7 studies tested it on its own. See all 24 studies
What the studies found
- Most studies found vitamin C helped fade dark spots or patches
- Most studies in melasma found it made patches look lighter over time
- It worked about as well as glycolic acid in one study
- One study found only weak fading, and one dark-spot measure did not beat a placebo
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 5 mentions across 3 threads
Neutrogena Collagen Bank 15% Vitamin C Serum on Reddit, in one place — 3 threads from r/30PlusSkinCare and r/SkincareAddiction, summarized.
“I've been trying the new Neutrogena collagen bank vitamin c and have enjoyed it so far.”
Positive
“it's just a very watery basic serum that it absorbs quickly and easily.”
Positive
“And I don't have any stinging or anything which I've had from other vitamin C's”
Positive
“Neutrogena Collagen Bank Vitamin C Serum”
Positive
“The collagen bank vit.c serum is good and vitamin c on skin is good”
Positive
“That said, it can be great for evening out skin tone and dark spots.”
Positive
“Neutrogena Collagen Bank Vitamin C Serum”
Positive
“I'm not sure whether there are better options for over the counter products at that price point”
Positive
“Vitamin C serum.”
Positive
