numbuzin No.3 Skin Softening Serum Dupes & Cheaper Alternatives
From 66 Reddit threads · Updated October 10, 2026
Niacinamide plus ferments smooth texture and boost glow; can break ferments-sensitive skin. The catch: ferments can trigger breakouts or itchy bumps. Here's what Redditors reach for instead.
The short answer
Best Overall Alternative10% azelaic acid for redness and breakouts · $22.00 · 30 ml
Best Cheaper AlternativeWatery, fast-absorbing centella · $6.00 · 30 ml vs $19.49 for the original
Best for DehydrationDamp-skin hydration that actually plumps · $18.54 · 30 ml
#1
Best Overall Alternative
- Size: 30 ml
- Price per ml: $0.73/ml (original $0.39/ml)
The why
One minus
Can sting or burn on a compromised barrier
Good forSensitive Skin, Combination Skin, Oily Skin
Both recommended for Acne.
The original, at a glance
- Why people love it
- Pores look smoother fast
- Price
- $19.49 · 50 ml · $0.39/ml
#2
Best Cheaper Alternative
- Size: 30 ml
- Price per ml: $0.20/ml (original $0.39/ml)
The why
A watery centella ampoule that people use before moisturizer or tret. It suits irritated, dehydrated, or barrier-damaged skin. On very reactive faces, it can sting, break out, or do basically nothing.
One minus
Can trigger closed comedones or whiteheads
Good forSensitive Skin, Dry Skin
Both recommended for Texture / Pores; 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: $0.62/ml (original $0.39/ml)
The why
A hyaluronic acid serum with panthenol and glycerin that people mainly use for dehydration and post-retinoid tightness. Best on damp skin under moisturizer, especially if your barrier is cranky. Dry climates and heavy layering can make it feel sticky or useless.
One minus
Sticky, tacky, and prone to pilling
Good forDry Skin, Sensitive Skin
Both recommended for Dehydration.
“I started using the ordinary hyaluronic acids serum on damp skin.”
— Reddit, r/SkincareAddiction
#4
Best for Hyperpigmentation
- Size: 15 ml
- Price per ml: $4.73/ml (original $0.39/ml)
The why
A 15% L-ascorbic acid serum built around vitamin E and ferulic acid, with panthenol and sodium hyaluronate in the mix. Best for people chasing brightening, photoaging support, and dark-spot fading. The sting, orange oxidation, and price are the dealbreakers.
One minus
Steep price for a 30 mL bottle
Good forSensitive 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
Oil control and pore shrinkage · 576 mentions
Texture / PoresHyperpigmentation
Watery first-step layer · 144 mentions
Sensitive SkinUnder Makeup
Hydration monster for tight, flaky skin · 365 mentions
Sensitive SkinFungal Acne
Absorbs fast, no sticky finish · 265 mentions
Sensitive SkinAlcohol-Free
Centella, panthenol, and ceramide NP do the barrier-support job · 195 mentions
Sensitive SkinFragrance-Free
Dark-spot hunter — TXA plus niacinamide does the heavy lifting · 143 mentions
BrighteningRedness / Irritation
Browse more
By concern
Reddit's best serums by concern or skin type
Looking for a different product?