numbuzin No.3 Skin Softening Serum Dupes & Cheaper Alternatives
From 71 Reddit threads · Updated November 2, 2026
Niacinamide-ferment serum smooths texture and boosts glow; breakout risk for some. The catch: ferments trigger itchy bumps or major breakouts for some. Here's what Redditors reach for instead.
The short answer
Best Overall AlternativeResearch-backed acne active; Reddit’s go-to for redness · $19.80 · 29.9 ml
Best Cheaper AlternativeFeatherlight, watery texture; layers cleanly under makeup · $6.00 · 30 ml vs $19.49 for the original
Best for DehydrationLightweight humectant layer for damp skin · $9.90 · 30 ml
#1
Best Overall Alternative
- Size: 29.9 ml
- Price per ml: $0.66/ml (original $0.39/ml)
The why
This watery 10% azelaic acid serum adds panthenol, sodium hyaluronate, and centella for a beginner-friendly active targeting breakouts, redness, and leftover marks. Redditors call it gentle; studies support acne results, but sensitive or barrier-damaged skin can sting.
One minus
Can trigger burning, peeling, flushing, or whiteheads
Good forDry Skin
Both recommended for Hyperpigmentation.
“Was getting really bad acne all around jawline, started Anua Azaelic Acid and it’s completely cleared up!!!”
— Reddit, r/SkincareAddiction
The original, at a glance
- Why people love it
- Niacinamide plus ferments target uneven texture and tone
- Price
- $19.49 · 50 ml · $0.39/ml
#2
Best Cheaper Alternative
Madagascar Centella Asiatica Ampoule
Skin1004·Serum
See alternativesFeatherlight, watery texture; layers cleanly under makeup
- Size: 30 ml
- Price per ml: $0.20/ml (original $0.39/ml)
The why
A watery centella-and-glycerin ampoule for calming redness and adding light hydration around tretinoin or acids. It suits sensitive, oily, or combination skin, but dry skin may need moisturizer and acne-prone users report closed comedones.
One minus
Closed comedones and cystic breakouts hit some users
Good forSensitive Skin, Dry Skin
Both recommended for Dehydration; discussed alongside numbuzin No.3 Skin Softening Serum in 10 threads.
“I have combo acne prone skin”
— Reddit, r/AsianBeauty
#3
Best for Dehydration
- Size: 30 ml
- Price per ml: $0.33/ml (original $0.39/ml)
The why
A multi-form hyaluronic acid serum with panthenol and glycerin adds a damp-skin hydration step before moisturizer. Best for dehydrated combination skin needing lightweight layering. It can feel sticky, pill under makeup, or leave skin tighter in dry climates.
One minus
Sticky film can pill under makeup
Good forSensitive Skin
Both recommended for Dehydration.
“Yes! Best advice. I throw on my hyaluronic acid immediately after rinsing my face (wet, not dripping), brush my teeth while it settles, then moisturizer on top. Hydration improved significantly.”
— Reddit, r/30PlusSkinCare
#4
Best for Hyperpigmentation
- Size: 30 ml
- Price per ml: $4.93/ml (original $0.39/ml)
The why
A 15% L-ascorbic acid serum paired with 1% tocopherol and 0.5% ferulic acid for morning antioxidant support and visible tone work. It suits experienced vitamin-C users chasing pigmentation and glow, but sensitive skin may sting and oxidized bottles turn orange.
One minus
Mind-bogglingly expensive for 30 mL
Good forDry Skin, Sensitive Skin
Both recommended for Hyperpigmentation.
“It's the only one that didn't make me break out.”
— Reddit, r/SkincareAddiction
Other alternatives worth a look
400,000ppm beta-glucan delivers serious damp-skin hydration · 241 recs
Non-StickyUnder Makeup
Ascorbic acid visibly fades post-acne marks with consistent use · 141 recs
Dewy FinishNiacinamide-Free
34,860ppm centella plus four soothing derivatives · 152 recs
Gel TextureVegan
Barrier-focused formula with Centella, Panthenol, and Ceramide NP · 117 recs
Cream TextureHeavy/Rich
Browse more
Reddit's best serums by concern, skin type or ingredient list
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