Deep Vita C Pad — Reddit Reviews
by Medicube
Updated October 6, 2026
Vitamin C pads with niacinamide for brightening and dark spots; can sting.
What the community says
These are toner pads loaded with vitamin C and niacinamide for brightening, dark spots, and a bit of hydration. Redditors with sensitive skin sometimes tolerate them daily, but the essential oils and fragrancey botanicals make irritation a real gamble.
What this means for you
Backed by 10 threads from r/koreanskincare, r/30PlusSkinCare and 1 more.
Read the threads ↓What people love
- Vitamin C plus niacinamide for brightening
- Some sensitive-skin users manage daily use
- Pads make every-other-day use easy
Watch out for
- Essential oils bring real irritation risk
- Can feel sticky and not fully dry down
- Harsh enough to wreck barrier for some
Product details
Concerns
Skin Type
Key Ingredients
Skin type data limited
Where to buy
What the science 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
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 — 16 mentions across 10 threads
Medicube Deep Vita C Pad on Reddit, in one place — 10 threads from r/koreanskincare, r/30PlusSkinCare and 1 more, summarized.
“After doing my research and talking to my dermatologist, I finally bought the Medicube Vitamin C.”
Positive
“My skin looks brighter, more hydrated, and has a nice plump to it. It’s helping with my dark spots too.”
Positive
“The vit C works well but I agree it’s sticky. It doesn’t absorb well.”
Positive
“Deep Vita C Pad”
Positive
“MediCube:”
Positive
“these are the main Korean products I’ve used over the past 8 months”
Positive
“Yo quitaría los pads de medicube, tienen aceites esenciales que pueden ser irritantes”
Cautionary
“no creo que te aporten ningún beneficio que supere ese riesgo”
Cautionary
“Swapping out your medicube pads”
Cautionary
“I use the medicube VitC pads, and haven't had any issues with them.”
Positive
“They're great.”
Positive
“it really depends on your reaction to actives.”
Positive
“for the past 2 weeks I’ve started using their vitamin c pads”
Cautionary
“I wouldn’t recommend the medicube products because of that.”
Cautionary
“In addition irritation from fragrance can make hyperpigmentation worse as well.”
Cautionary
“Medicube Vitamin C Toner Pad (I didn’t use this when I was using the Innisfree Vitamin C set, but I started using it again once or twice a week.)”
Positive
“I started using it again once or twice a week.”
Positive
“I didn’t use this when I was using the Innisfree Vitamin C set”
Positive
