Good Skin Niacinamide Ampoule

NATURE REPUBLIC

Where to buy Possibly in stock

About this product

The NATURE REPUBLIC Good Skin Niacinamide Ampoule is a serums, essence, ampoule. Our analysis of its 32 ingredients (25 low-risk) rates it Excellent (99/100). 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
Serums, Essence, Ampoules
Ingredients
32
Low-risk
25
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 8/4
Good for dry skin
Glucose Glycereth-26 Lavandula Hybrida Oil Butylene Glycol Glycerin Fructose Fructooligosaccharides Hydrolyzed Jojoba Esters
Caution for dry skin
Xanthan Gum Glycerin Hydrolyzed Jojoba Esters Choleth-24
Oily/Acne-Prone Skin 0/1
Caution for oily/acne-prone skin
Hydrolyzed Jojoba Esters
Sensitive Skin 3/6
Good for sensitive skin
Ascorbyl Glucoside Glycerin Morus Alba Fruit Extract
Caution for sensitive skin
Cedrus Deodara Wood Oil Pelargonium Graveolens Flower Oil Butylene Glycol Glycerin Tromethamine Limonene

Ingredients list

32 total
Lower hazard (1) Higher hazard (6)
All32 Skin Conditioning15 Humectant10 Solvent8 Fragrance7 Viscosity Controlling7 Emulsion Stabilising7 Masking4 Hair Conditioning4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Chlorella Vulgaris Extract
(Skin Conditioning)
1
A
Hydrolyzed Jojoba Esters
(Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning Agent Occlusive, Emulsifying, Surfactant, Skin Conditioning)
Citrus Aurantium Dulcis Oil
(Fragrance)
Citrus Nobilis Peel Oil
(Fragrance, Skin Conditioning, Tonic)
1
Cedrus Deodara Wood Oil
(Fragrance, Masking)
1
Lavandula Hybrida Oil
(Emollient)
1
Pelargonium Graveolens Flower Oil
(Masking)
Ficus Carica Fruit Extract
(Humectant)
1
Ginkgo Biloba Nut Extract
(Hair Conditioning, Skin Conditioning)
Morus Alba Fruit Extract
(Antioxidant)
Punica Granatum Fruit Extract
(Skin Conditioning)
1
Glycereth-26
(Humectant, Viscosity Decreasing Agent, Solvent, Viscosity Controlling)
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
2
A
Choleth-24
(Emulsifying, Surfactant)
1
Sodium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
Fructooligosaccharides
(Humectant, Skin Conditioning)
1
A
Fructose
(Flavoring Agent, Humectant)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
1
Ascorbyl Glucoside
(Antioxidant)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens

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

Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Niacinamide
Skin Conditioning
Pentylene Glycol
Skin Conditioning
Chlorella Vulgaris Extract
Skin Conditioning
Hydrolyzed Jojoba Esters
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
May not suit oily/acne-prone skin
May not suit sensitive skin

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
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Chlorella Vulgaris Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hydrolyzed Jojoba Esters
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingFilm formingHair conditioningSkin-conditioning agent -occlusiveEmulsifyingSurfactantSkin conditioning
Citrus Aurantium Dulcis Oil
Fragrance
Limited public safety data.Read moreShow less
EWG N/A Fragrance
Citrus Nobilis Peel Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningTonic
Cedrus Deodara Wood Oil
Fragrance, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceMasking
Lavandula Hybrida Oil
Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Emollient
Pelargonium Graveolens Flower Oil
Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Masking
Ficus Carica Fruit Extract
Humectant
Limited public safety data.Read moreShow less
EWG N/A Humectant
Ginkgo Biloba Nut Extract
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Morus Alba Fruit Extract
Antioxidant
Limited public safety data.Read moreShow less
EWG N/A Antioxidant
Punica Granatum Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 14 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
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens

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

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

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.

Ascorbyl Glucoside

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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