No.5 Vitamin Boosting Essential Toner

Numbuzin

No.5 Vitamin Boosting Essential Toner

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About this product

The Numbuzin No.5 Vitamin Boosting Essential Toner is a toner. Our analysis of its 33 ingredients (28 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Toners
Ingredients
33
Low-risk
28
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 7/4
Good for dry skin
Acetyl Hexapeptide-8 Erythritol Caprylyl Glycol Butylene Glycol Glycerin Polyglycerin-3 Polyglyceryl-4 Caprate
Caution for dry skin
Decyl Glucoside Glycerin Polyglyceryl-4 Caprate Hydrogenated Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 3/6
Good for sensitive skin
Arbutin Madecassoside Glycerin
Caution for sensitive skin
Glutathione Dipropylene Glycol Butylene Glycol Glycerin Tromethamine Hippophae Rhamnoides Water

Ingredients list

33 total
Lower hazard (1) Higher hazard (2)
All33 Skin Conditioning29 Fragrance8 Humectant8 Solvent6 Hair Conditioning6 Antioxidant4 Masking4 Viscosity Controlling4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, 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
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
1,2-Hexanediol
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Polyglycerin-3
(Humectant)
Hippophae Rhamnoides Water
(Flavoring Agent, Masking, Perfuming, Skin Conditioning)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
Erythritol
(Humectant, Moisturising)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
B
Polyglyceryl-4 Caprate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Adenosine
(Skin Conditioning)
1
Glutathione
(Fragrance, Reducing)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Madecassoside
(Antioxidant, Skin Conditioning)
1
Coptis Japonica Root Extract
(Skin Conditioning)
1
B
Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Arbutin
(Antioxidant, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)
1
Hexapeptide-9
(Skin Conditioning)
1
Nonapeptide-1
(Skin Conditioning, Hair Conditioning)
1
Palmitoyl Pentapeptide-4
(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

Glycerin
Humectant, Skin Protecting
Niacinamide
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Polyglycerin-3
Humectant
Hippophae Rhamnoides Water
Skin Conditioning
Erythritol
Humectant, Moisturising

Benefits

Good for dry skin

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Polyglycerin-3
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Hippophae Rhamnoides Water
Flavoring agent, Masking
Limited public safety data.Read moreShow less
EWG N/A Flavoring agentMaskingPerfumingSkin conditioning
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Tromethamine
Fragrance, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A FragrancePh adjusterBuffering agentMasking
Erythritol
Humectant, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantMoisturising
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
3-O-ETHYL ASCORBIC ACID
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Polyglyceryl-4 Caprate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifyingSurfactant
Adenosine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Glutathione
Fragrance, Reducing
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceReducing
+ 14 more — see the full ingredients list above
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Arbutin
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Use right after cleansing, before serums.
  • 2 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

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

Trust & honesty

Effective levels — general guide

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

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

3-O-ETHYL ASCORBIC ACID, ASCORBIC ACID

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

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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