No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate

Numbuzin

No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate

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About this product

The Numbuzin No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate is a serums, essence, ampoule. Our analysis of its 22 ingredients (16 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
22
Low-risk
16
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 5/3
Good for dry skin
Caprylic/Capric Triglyceride Butylene Glycol Glycerin Polyglyceryl-3 Methylglucose Distearate Tripropylene Glycol
Caution for dry skin
Glycerin Polyglyceryl-3 Methylglucose Distearate Tranexamic Acid
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Tranexamic Acid
Sensitive Skin 4/5
Good for sensitive skin
Glycerin Tripropylene Glycol Hydroxyacetophenone Thioctic Acid
Caution for sensitive skin
Glutathione Caprylic/Capric Triglyceride Butylene Glycol Glycerin Hippophae Rhamnoides Water

Ingredients list

22 total
Lower hazard (1) Higher hazard (2)
All22 Skin Conditioning15 Fragrance6 Solvent6 Antioxidant5 Emulsion Stabilising4 Humectant4 Masking3 Perfuming3
EWG CIR Ingredient Name & Cosmetic Functions Notes
Hippophae Rhamnoides Water
(Flavoring Agent, Masking, Perfuming, Skin Conditioning)
Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning)
1
Tripropylene Glycol
(Antioxidant, Emulsion Stabilising, Humectant)
1
Glutathione
(Fragrance, Reducing)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
1,2-Hexanediol
(Solvent)
Diethoxyethyl Succinate
(Solvent)
1
Hydroxyacetophenone
(Antioxidant)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
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)
2
Thioctic Acid
(Antioxidant)
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
Water
(Solvent)
1
Cyanocobalamin
(Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
Polyglyceryl-3 Methylglucose Distearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)

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

Hippophae Rhamnoides Water
Skin Conditioning
Tranexamic Acid
Skin Conditioning
Tripropylene Glycol
Antioxidant, Humectant
Niacinamide
Skin Conditioning
Hydroxyacetophenone
Antioxidant
Ethylhexylglycerin
Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Hippophae Rhamnoides Water
Flavoring agent, Masking
Limited public safety data.Read moreShow less
EWG N/A Flavoring agentMaskingPerfumingSkin conditioning
Tranexamic Acid
Cosmetic astringent, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Cosmetic astringentSkin conditioning
Tripropylene Glycol
Antioxidant, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantEmulsion stabilisingHumectant
Glutathione
Fragrance, Reducing
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceReducing
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
Diethoxyethyl Succinate
Solvent
Limited public safety data.Read moreShow less
EWG N/A Solvent
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Hydroxyethylcellulose
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentBindingStabilisingViscosity controlling
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
ASCORBIC ACID
Antioxidant, Buffering
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBufferingFragranceSkin conditioning
Bisabolol
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSoothing
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Thioctic Acid
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 2 Antioxidant
+ 4 more — see the full ingredients list above
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 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.

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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