Dual Effect Ampoule

Rejuran

Where to buy Possibly in stock

About this product

The Rejuran Dual Effect Ampoule is a serums, essence, ampoule. Our analysis of its 40 ingredients (35 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
Serums, Essence, Ampoules
Ingredients
40
Low-risk
35
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 10/7
Good for dry skin
Squalane Oleic Acid Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Cholesterol Trehalose Urea PEG-6
Caution for dry skin
Oleic Acid Inulin Lauryl Carbamate Xanthan Gum Glycerin Hexylene Glycol Hydrogenated Lecithin Polysorbate 20
Oily/Acne-Prone Skin No data
Sensitive Skin 4/9
Good for sensitive skin
Arbutin Glycerin Tocopheryl Acetate Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Disodium Phosphate Dipropylene Glycol Serine Algin Oleic Acid Calendula Officinalis Flower Extract Butylene Glycol Glycerin Hexylene Glycol

Ingredients list

40 total
Lower hazard (1) Higher hazard (3)
All40 Skin Conditioning36 Fragrance10 Humectant9 Solvent8 Hair Conditioning7 Emulsion Stabilising6 Masking6 Viscosity Controlling6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
A
PEG-6
(Humectant, Solvent)
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
Rubus Fruticosus Leaf Extract
(Fragrance, Skin Conditioning)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
1,2-Hexanediol
(Solvent)
Vaccinium Angustifolium Fruit Extract
(Skin Protecting, Soothing)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Calendula Officinalis Flower Extract
(Masking, Perfuming, Skin Conditioning)
1
Morus Nigra Fruit Extract
(Skin Conditioning)
glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Hydrolyzed DNA
(Hair Conditioning, Skin Conditioning)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
Adenosine
(Skin Conditioning)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Arbutin
(Antioxidant, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Oleic Acid
(Fragrance, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Oleic Acid., Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Inulin Lauryl Carbamate
(Emulsion Stabilising, Surfactant)
1
A
Algin
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Oily Skin
Bad for Oily Skin
1
B
Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking)
3
A
Glyceryl Polyacrylate
(Film Forming)
1
A
Pullulan
(Binding Agent, Film Forming, Binding)
1
B
Potassium Phosphate
(Ph Adjuster, Buffering Agent)

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

PEG-6
Humectant
Glycerin
Humectant, Skin Protecting
Rubus Fruticosus Leaf Extract
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Niacinamide
Skin Conditioning
Vaccinium Angustifolium Fruit Extract
Skin Protecting, Soothing

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
PEG-6
Humectant, Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A HumectantSolvent
Rubus Fruticosus Leaf Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
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
Vaccinium Angustifolium Fruit Extract
Skin protecting, Soothing
Limited public safety data.Read moreShow less
EWG N/A Skin protectingSoothing
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Calendula Officinalis Flower Extract
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A MaskingPerfumingSkin conditioning
Morus Nigra Fruit Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
glycyrrhiza glabra root extract
Bleaching, Perfuming
Limited public safety data.Read moreShow less
EWG N/A BleachingPerfumingSkin conditioningSkin conditioning emollientSmoothingSoothing
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Hydrolyzed DNA
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Hydrogenated Lecithin
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Skin conditioningEmulsifyingSurfactantSuspending agent- nonsurfactant
+ 16 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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Arbutin
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning Good for Dry Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Oleic Acid
Fragrance, Sufactantsurfactant-cleansing agent is included as a function for the soap form of oleic acid.
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSufactantsurfactant-cleansing agent is included as a function for the soap form of oleic acid.EmollientEmulsifying Fungal-acne trigger
Algin
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling Bad for Sensitive SkinBad for Oily Skin

How to use

How to use

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

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.

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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