Multi-ingredient formula includes niacinamide, tranexamic acid, vitamin C, hyaluronic acid, alpha arbutin, and ceramides for brightening and moisture
83 mentions
53 Reddit Dupes for numbuzin No.5 Vitamin Concentrated Serum
What Reddit recommends instead — 53 products with similar benefits · Updated July 21, 2026
Better for Acne
Commonly reported on Reddit · 3 mentions
Sensitive and acne-prone users report that No.5 Vitamin Concentrated Serum often triggers cystic acne and breakouts.
See threads- Best for Acne
Anua Azelaic Acid 10% serum effectively reduces acne and redness, especially for sensitive and acne-prone skin.
5 shared traits·64 recommendations
- 3recs
Melano CC
Intensive Anti-Spot EssenceThe essence is recommended for sensitive, acne-prone skin due to its gentle but effective anti-spot properties.
5 shared traits·3 recommendations
- 14recs
The Ordinary
Niacinamide 10% + Zinc 1%Niacinamide 10% + Zinc 1% effectively controls oiliness and reduces acne, especially beneficial for oily skin.
4 shared traits·14 recommendations
- 11recs
CeraVe Resurfacing Retinol Serum gently clears acne by promoting skin cell turnover with a lower retinol dose, ideal for sensitive skin.
4 shared traits·11 recommendations
- 3recs
Good Molecules
Discoloration Correcting SerumContains tranexamic acid and niacinamide, which gently fade acne marks without irritation, especially for sensitive skin.
3 shared traits·3 recommendations
- 3recs
BYOMA
Clarifying SerumByoma Clarifying Serum effectively reduces acne by exfoliating and supporting the skin barrier, especially for cystic acne.
2 shared traits·3 recommendations
Better for Sensitive Skin
Commonly reported on Reddit · 3 mentions
No.5 Vitamin Concentrated Serum often irritates sensitive skin due to niacinamide's potential sensitizing effect, especially near eyes.
See threads- Best for Sensitive Skin
Beauty of Joseon
Glow Serum: Propolis + NiacinamidePropolis calms inflammation and redness, helping eczema-prone and sensitive types
6 shared traits·65 mentions
- 358mentions
Gentle, hydrating formula with hyaluronic acid suitable for sensitive skin
5 shared traits·358 mentions
- 85mentions
Melano CC
Intensive Anti-Spot EssencePackaging extends shelf-life better than typical vitamin C serums
5 shared traits·85 mentions
- 31mentions
Beauty of Joseon
Glow Deep Serum Rice + Alpha-ArbutinAlpha arbutin plus rice water combo targets hyperpigmentation with less irritation than vitamin C
3 shared traits·31 mentions
- 31mentions
Good Molecules
Discoloration Correcting SerumThinner texture than other TXA serums—less pilling under moisturizer
3 shared traits·31 mentions
More alternatives
114mentions
Strong 20% L-ascorbic acid concentration for collagen boost
3 shared traits·114 mentions
88mentions
SkinCeuticals
C E FerulicStable formula with patented antioxidant combo — slows oxidation better than most
3 shared traits·88 mentions
27mentions
Light water-like texture that layers smoothly without pilling
3 shared traits·27 mentions
9mentions
SkinCeuticals
Discoloration DefenseContains 3% tranexamic acid plus 5% niacinamide and brightening agents for layered pigment-fighting
3 shared traits·9 mentions
8mentions
High 23% vitamin C concentration for potent brightening
3 shared traits·8 mentions
7mentions
BYOMA
Brightening SerumNiacinamide + hyaluronic acid combo boosts hydration and brightness
3 shared traits·7 mentions
3mentions
Some By Mi
AHA BHA PHA 30 Days Miracle SerumThree exfoliating acids (AHA, BHA, PHA) in one formula for layered exfoliation
3 shared traits·3 mentions
21mentions
The Ordinary
Ascorbyl Glucoside Solution 12%12% concentration offers a brightening boost without strong acidity
2 shared traits·21 mentions
16mentions
Olay
Super SerumBlend of vitamin C plus niacinamide and peptides for anti-aging and glow
2 shared traits·16 mentions
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