No.3 Blue Bio-Retinol Pore Refining Serum

Numbuzin

No.3 Blue Bio-Retinol Pore Refining Serum

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About this product

The Numbuzin No.3 Blue Bio-Retinol Pore Refining Serum is a serums, essence, ampoule. Our analysis of its 63 ingredients (50 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
63
Low-risk
50
Fragrance
Fragrance-free
Origin
South Korea

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 12/13
Good for dry skin
Glucose Glycereth-26 Glyceryl Glucoside Macadamia Ternifolia Seed Oil Caprylic/Capric Triglyceride Butylene Glycol Glycerin Cholesterol Hydrolyzed Collagen Lecithin Aloe Barbadensis Flower Extract Hydrolyzed Sclerotium Gum
Caution for dry skin
C12-14 Pareth-12 Dextrin Centella Asiatica Extract Calcium Chloride Glycerin Salicylic Acid Potassium Cetyl Phosphate Polyglyceryl-10 Laurate PPG-13-Decyltetradeceth-24 Hydrogenated Lecithin Polysorbate 20 Silica Lecithin
Oily/Acne-Prone Skin 3/0
Good for oily/acne-prone skin
Calcium Chloride Salicylic Acid Retinol
Sensitive Skin 10/10
Good for sensitive skin
Diethylhexyl Syringylidenemalonate Centella Asiatica Extract Melia Azadirachta Leaf Extract Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Tocopheryl Acetate Aloe Barbadensis Flower Extract Hydrolyzed Sclerotium Gum Honokiol Centella Asiatica Callus Extract
Caution for sensitive skin
Glycine Dipropylene Glycol Sodium Citrate Caprylic/Capric Triglyceride Butylene Glycol Glycerin Salicylic Acid Citric Acid Acacia Senegal Gum Retinol

Ingredients list

63 total
Lower hazard (1) Higher hazard (9)
All63 Skin Conditioning47 Viscosity Controlling11 Solvent9 Fragrance9 Humectant9 Hair Conditioning8 Emulsifying8 Masking7
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Glyceryl Glucoside
(Humectant, Skin Conditioning)
1
A
Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant)
1
Chlorella Vulgaris Extract
(Skin Conditioning)
1
B
Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
Cynanchum Atratum Extract
(Skin Conditioning)
1
Macadamia Ternifolia Seed Oil
(Emollient)
1
Althaea Rosea Flower Extract
(Skin Conditioning)
Glycine Soja Oil
(Perfuming, Skin Conditioning, Skin Conditioning Emollient)
1
Melia Azadirachta Flower Extract
(Skin Conditioning)
1
Coccinia Indica Fruit Extract
(Skin Conditioning)
1
Melia Azadirachta Leaf Extract
(Antimicrobial, Skin Protecting)
1
3
B
Aloe Barbadensis Flower Extract
(Emollient, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Solanum Melongena Fruit Extract
(Skin Conditioning)
1
Ocimum Sanctum Leaf Extract
(Skin Conditioning)
1
Corallina Officinalis Extract
(Skin Conditioning)
Curcuma Longa Root Extract
(Fragrance, Perfuming)
1
A
1,2-Hexanediol
(Solvent)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
Glycereth-26
(Humectant, Viscosity Decreasing Agent, Solvent, Viscosity Controlling)
1
B
C12-14 Pareth-12
(Emulsifying, Surfactant)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Calcium Chloride
(Cosmetic Astringent, Viscosity Increasing Agent, Viscosity Controlling)
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Gellan Gum
(Emulsion Stabilising, Viscosity Increasing Agent, Film Forming, Viscosity Controlling)
Honokiol
(Antioxidant, Bleaching, Skin Conditioning)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
B
PPG-13-Decyltetradeceth-24
(Emulsifying, Surfactant)
Hydrolyzed Sclerotium Gum
(Film Forming, Humectant, Skin Protecting)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
1
Adenosine
(Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
Panax Ginseng Adventitious Root Extracellular Vesicles
(Hair Conditioning, Skin Conditioning)
1
A
Dextrin
(Absorbent, Binding Agent, Bulking Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
Centella Asiatica Callus Extract
(Antimicrobial, Antioxidant, Hair Conditioning, Skin Protecting)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
Brassica Campestris Sterols
(Skin Conditioning, Skin Conditioning Emollient)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
1
B
Polyglyceryl-10 Laurate
(Skin Conditioning, Emulsifying, Surfactant)
1
Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate
(Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Aluminum/Magnesium Hydroxide Stearate
(Emulsion Stabilising, Viscosity Controlling)
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
1
B
Potassium Cetyl Phosphate
(Emulsifying, Surfactant)
1
Diethylhexyl Syringylidenemalonate
(Skin Protecting)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Tris(Tetramethylhydroxypiperidinol)Citrate
(Light Stabilizer)
1
A
Copper Tripeptide-1
(Skin Conditioning)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
1
Gardenia Florida Fruit Extract
(Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Niacinamide
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Pentylene Glycol
Skin Conditioning
Glyceryl Glucoside
Humectant, Skin Conditioning
Hydrolyzed Collagen
Skin Conditioning, Emollient

Benefits

Good for oily/acne-prone skin

Concerns

Not fungal acne (malassezia) safe
Retinol — higher EWG
May not suit dry skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Glyceryl Glucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Hydrolyzed Collagen
Hair conditioning, Nail conditioning agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningNail conditioning agentSkin conditioningAntistatic agentEmollientFilm formingHumectant
Chlorella Vulgaris Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Centella Asiatica Extract
Cleansing, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSkin conditioningSmoothingSoothingTonic
Acacia Senegal Gum
Adhesive, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AdhesiveFragranceFilm formingMasking
Cynanchum Atratum Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Macadamia Ternifolia Seed Oil
Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Emollient
Althaea Rosea Flower Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Glycine Soja Oil
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioningSkin conditioning emollient
Melia Azadirachta Flower Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 39 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Aloe Barbadensis Flower Extract
Emollient, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientSkin conditioning Good for Sensitive Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinol)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinol

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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