No.5+ Glutathione C Facial Spa Cleanser

Numbuzin

No.5+ Glutathione C Facial Spa Cleanser

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About this product

The Numbuzin No.5+ Glutathione C Facial Spa Cleanser is a cleanser. Our analysis of its 39 ingredients (24 low-risk) rates it Excellent (98/100). 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
Cleansers
Ingredients
39
Low-risk
24
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

PH Level

(Know the PH? Submit it here! )

N/A - No submissions yet

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 10/8
Good for dry skin
Glyceryl Behenate/Eicosadioate Diisostearyl Malate Linolenic Acid Cetyl Ethylhexanoate Stearoyl Inulin Caprylic/Capric Triglyceride Caprylyl Glycol Glycerin Triethylhexanoin Polyglyceryl-10 Diisostearate
Caution for dry skin
Glyceryl Behenate/Eicosadioate Diisostearyl Malate Linolenic Acid Sorbeth-30 Tetraoleate Stearoyl Inulin Candida Bombicola/Glucose/Methyl Rapeseedate Ferment Glycerin Polyglyceryl-10 Diisostearate
Oily/Acne-Prone Skin No data
Sensitive Skin 4/10
Good for sensitive skin
Candida Bombicola/Glucose/Methyl Rapeseedate Ferment Glycerin Tocopheryl Acetate Hippophae Rhamnoides Fruit Oil
Caution for sensitive skin
Glutathione Dipropylene Glycol Linolenic Acid Caprylic/Capric Triglyceride Glycerin Triethylhexanoin Hydroxypropyl Cyclodextrin Cedrus Atlantica Wood Oil Linalool Limonene

Ingredients list

39 total
Lower hazard (1) Higher hazard (6)
All39 Skin Conditioning33 Fragrance15 Emollient9 Hair Conditioning8 Solvent7 Perfuming7 Surfactant5 Emulsifying5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
1
B
Sorbeth-30 Tetraoleate
(Emulsifying, Surfactant)
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
Triethylhexanoin
(Fragrance, Hair Conditioning, Antistatic Agent, Emollient, Masking, Refatting, Skin Conditioning, Solvent)
1
Polyglyceryl-10 Diisostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
Diisostearyl Malate
(Skin Conditioning, Emollient, Surfactant)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
Glyceryl Behenate/Eicosadioate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
A
Stearoyl Inulin
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
lavandula angustifolia oil
(Fragrance, Tonic)
Citrus Limon Peel Oil
(Fragrance, Perfuming, Skin Conditioning)
A
Hippophae Rhamnoides Fruit Oil
(Skin Protecting)
Polyglyceryl-10 Behenate/Eicosadioate
(Emulsifying, Skin Conditioning)
Citrus Nobilis Peel Oil
(Fragrance, Skin Conditioning, Tonic)
2
Cedrus Atlantica Wood Oil
(Perfuming)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
citrus aurantium dulcis peel oil
(Fragrance, Skin Conditioning)
Rosmarinus Officinalis Leaf Oil
(Fragrance, Skin Conditioning)
1
Water
(Solvent)
1
Candida Bombicola/Glucose/Methyl Rapeseedate Ferment
(Antiacne Agent, Antimicrobial Agent, Cosmetic Biocide, Deodorant, Surfactant Cleansing Agent, Antiseborrhoeic, Skin Protecting)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
1
A
Hydroxypropyl Cyclodextrin
(Chelating Agent, Emulsion Stabilising, Masking, Skin Conditioning)
1
Glutathione
(Fragrance, Reducing)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
A
Pantothenic Acid
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
1
Linolenic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linolenic Acid., Antistatic Agent, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
A
Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Cyanocobalamin
(Skin Conditioning)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

Cetyl Ethylhexanoate
Skin Conditioning, Emollient
Glycerin
Humectant, Skin Protecting
Triethylhexanoin
Emollient, Skin Conditioning
Polyglyceryl-10 Diisostearate
Skin Conditioning, Emollient
Diisostearyl Malate
Skin Conditioning, Emollient
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning

Benefits

Good for dry skin

Concerns

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

Ingredients explained

Cetyl Ethylhexanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Sorbeth-30 Tetraoleate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
Triethylhexanoin
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningAntistatic agentEmollientMaskingRefattingSkin conditioningSolvent
Polyglyceryl-10 Diisostearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactant
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Diisostearyl Malate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientSurfactant
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Glyceryl Behenate/Eicosadioate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactant
Olea Europaea Fruit Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
Stearoyl Inulin
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifyingSurfactant
lavandula angustifolia oil
Fragrance, Tonic
Limited public safety data.Read moreShow less
EWG N/A FragranceTonic
Citrus Limon Peel Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Hippophae Rhamnoides Fruit Oil
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A CIR A Skin protecting
+ 19 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
Linolenic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningSufactantsurfactant-cleansing agent is included as a function for the soap form of linolenic acid.Antistatic agentEmollientPerfuming Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Where it fits: Use as the first step, on clean hands, before the rest of your routine.
  • 2 Morning & evening: Suitable for both AM and PM use.

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.

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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