No.3 Skin Softening Serum — Reddit Reviews
by numbuzin
Updated October 10, 2026
Niacinamide plus ferments smooth texture and boost glow; can break ferments-sensitive skin.
What the community says
A bifida and galactomyces serum with niacinamide, panthenol, and squalane that leans into texture-smoothing and glow. It’s the kind of thing people with dehydrated, combo, or retinoid-stressed skin keep repurchasing. Ferment-sensitive or acne-prone users report breakout flare-ups.
What this means for you
What people love
Watch out for
- Ferments can trigger breakouts or itchy bumps
- Niacinamide is a problem for some people
- If you want dramatic pore shrinking, results can feel subtle
Product details
Use caution
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 66 mentions across 29 threads
numbuzin No.3 Skin Softening Serum on Reddit, in one place — 29 threads from r/AsianBeauty, r/40plusskincare and 4 more, summarized.
“I was using numbuzin no3 serum before this”
Mentioned
“Haruharu Wonder 2GF Serum”
Mentioned
“💙💙”
Mentioned
“-Numbuzin #3 Skin Softening Serum”
Positive
“AM: -Vitamin C serum -Numbuzin #3 Skin Softening Serum - Sunday Riley Good Genes”
Positive
“Over time built up the routine cautiously to ensure the skin could handle everything that was thrown at it”
Positive
“your description of its effect reminds me of what Numbuzin no 3 pore minimising serum did for my skin.”
Positive
“it does still have that effect…”
Positive
“Wish so bad I didn’t have fungal acne so I could try that serum”
Positive
“Numbuzin's reformulated #3 serum”
Positive
“Numbuzin #3”
Positive
“Kuramoto bijin ferment emulsion or shiro sake lotion and numbuzin no. 3. Softening serum.”
Positive
“These products I can't be without.”
Positive
“Oily, sensitive acne prone skin girlie right here.”
Positive
“Second the Numbuzin No 3 serum!”
Positive
“I love NO.3serum so much in the winter! It has a great synergy effect when used with toner!!”
Positive
“Numbuzin No.3 toner and serum have worked WONDERS on my skin.”
Positive
Dupes & Alternatives
Anua
Azelaic Acid Hyaluron Redness Soothing Serum
Better for Hyperpigmentation
11 shared traits
713 mentions
