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Product photo: numbuzinus.com (official brand store). The pack size shown may differ from the Korean 50ml.
No.3 Skin Softening Serum
A ferment-heavy serum (bifida and galactomyces) for softer, smoother-feeling skin and a healthy glow.
- Key ingredient
- Bifida ferment lysate, 42%, Galactomyces ferment filtrate, 21%
- Texture
- Milky, lightweight serum that absorbs to a soft finish
- Routine step
- serum · AM & PM
- Korean pack
- 50ml (+20ml)
Overview
Key ingredients
- Bifida ferment lysate, 42% Probiotic-derived ferment used for barrier support and smoothness
- Galactomyces ferment filtrate, 21% Yeast ferment linked to a brighter, more even look
From the US, it's 39% cheaper in Seoul after tax and refund.
Seoul packs often add a bonus (+20ml); we don't count it in the saving.
What it is
Numbuzin is a Korean brand that names its lines by number. No.3 Skin Softening Serum is the serum of the “smooth and glowing” line. Its two main ingredients are fermented: bifida ferment lysate (42%) and galactomyces ferment filtrate (21%). The bottle is 50ml.
Why people buy it
Fermented ingredients have a strong following in Korea for making skin look smoother and more radiant. This serum gives a comfortable, slightly milky layer that suits most skin types.
Key ingredients in plain English
Bifida ferment lysate is derived from a probiotic bacterium and is used for barrier support. Galactomyces is a yeast ferment, the same family as the famous ingredient in some luxury essences, used for an even, bright look.
Who it suits, and who should skip it
Normal, dry and combination skin that looks dull or rough. If you have a known reaction to fermented ingredients, patch-test first.
How to use it
After toner, two or three drops, morning and night, before moisturiser.
How it compares
Missha Time Revolution First Treatment Essence uses similar ferments in a watery essence. ma:nyo Bifida Biome Complex Ampoule is a bigger, bifida-led alternative.
FAQ
What do the numbers in Numbuzin mean?
Each number is a line for a different goal. No.3 is the line for smooth texture and glow; No.5 is for brightening.
Can I use it with vitamin C or retinol?
Yes. Apply this after watery steps and before heavier creams or retinol.
