Numbuzin
Numbuzin No.3 Blue Bio-Retinol Pore Refining Serum
Numbuzin No.3 Blue Bio-Retinol Pore Refining Serum
Visible Pores & Rough Texture? This Is Not a Basic Serum.
A next-generation Blue Bio-Retinol formula that helps visibly tighten pores, smooth texture, and refine uneven skin — without harsh irritation.
100% Original & Authentic
Open the delivery bag and inspect this item before paying. Pay only after you are happy with what you received.
Authentic Korean Skincare • Limited Stock • Fast 2–4 Day Delivery • Pay on Delivery • Inspect Before You Pay
Limited Stock · Delivered in 2–4 Days · Pay on Delivery
Couldn't load pickup availability
- Open & Inspect Check before paying
- Cash on Delivery No prepayment
- 2–4 Day Delivery $3 · Free over $40
If you are not comfortable with the order after checking it, you can refuse it with the driver.

Why you need this?
This formula combines ingredients normally found in higher-end clinical routines:
✔ Blue Bio-Retinol – a gentler retinol alternative that helps refine the look of pores and improve elasticity
✔ Niacinamide (10%) – supports visible tone balance and texture smoothing
✔ BHA – helps reduce buildup inside pores
✔ Precision serum texture – absorbs fast and works without heaviness
It supports the skin’s renewal cycle — helping it look tighter, smoother, and more refined over time.
No aggressive peeling.
No redness.
No downtime.
Just visible refinement.
Why it works?
This formula combines ingredients normally found in higher-end clinical routines:
✔ Blue Bio-Retinol – a gentler retinol alternative that helps refine the look of pores and improve elasticity
✔ Niacinamide (10%) – supports visible tone balance and texture smoothing
✔ BHA – helps reduce buildup inside pores
✔ Precision serum texture – absorbs fast and works without heaviness
It supports the skin’s renewal cycle — helping it look tighter, smoother, and more refined over time.
No aggressive peeling.
No redness.
No downtime.
Just visible refinement.
Who is it for?
✔ Enlarged or visible pores
✔ Uneven skin texture
✔ Combination or oily skin
✔ Makeup that looks patchy
✔ People who want retinol benefits without irritation
What to expect?
Week 1: Skin feels smoother. Less surface roughness.
Week 2–3: Pores begin to look tighter and more refined.
4+ Weeks: Texture appears significantly more even and balanced.
Consistency builds visible improvement.
How to use?
- Cleanse and tone
- Apply 2–3 drops
- Pat gently until absorbed
- Follow with moisturizer
- Use sunscreen during the day
Use morning and night if tolerated.
Quality Assurance
No prepayment required.
You receive the product, check it, then decide.
Gentle care · Authentic product · Low risk.