R.N.A. POWER Anti-Aging Essence Serum

SK-II

R.N.A. POWER Anti-Aging Essence Serum

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About this product

The SK-II R.N.A. POWER Anti-Aging Essence Serum is a serums, essence, ampoule. Our analysis of its 44 ingredients (30 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
44
Low-risk
30
Fragrance
Contains fragrance
Origin
Japan

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 11/8
Good for dry skin
Methicone Squalane Isopropyl Isostearate Xylitol Butylene Glycol Glycerin Dimethicone PEG-7 Glyceryl Cocoate Galactomyces Ferment Filtrate Dipentaerythrityl Tri-Polyhydroxystearate Hydrolyzed Soy Protein
Caution for dry skin
Boron Nitride Xanthan Gum Glycerin Laureth-7 Sodium PEG-7 Olive Oil Carboxylate PEG-100 Stearate PEG-11 Methyl Ether Dimethicone PEG-7 Glyceryl Cocoate
Oily/Acne-Prone Skin No data
Sensitive Skin 3/5
Good for sensitive skin
Glycerin Dimethicone Tocopheryl Acetate
Caution for sensitive skin
Butylene Glycol Glycerin Methylparaben Phenoxyethanol Benzyl Alcohol

Ingredients list

44 total
Lower hazard (1) Higher hazard (5)
All44 Skin Conditioning31 Fragrance7 Humectant7 Hair Conditioning7 Emollient6 Viscosity Controlling6 Solvent5 Emulsifying5
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
Galactomyces Ferment Filtrate
(Humectant)
Fungal Acne
Fungal Acne Trigger
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Phytosteryl/Octyldodecyl Lauroyl Glutamate
(Skin Conditioning)
1
B
Isopropyl Isostearate
(Binding Agent, Skin Conditioning, Emollient, Binding)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
A
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
(Viscosity Controlling)
1
A
Boron Nitride
(Slip Modifier, Absorbent, Opacifying, Skin Conditioning)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
PEG-20 Sorbitan Cocoate
(Emulsifying)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
Dipentaerythrityl Tri-Polyhydroxystearate
(Emollient, Skin Conditioning)
3
A
PEG-11 Methyl Ether Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant Emulsifyingagent)
3
A
Aminomethyl Propanol
(Ph Adjuster, Buffering Agent)
Ceratonia Siliqua Fruit Extract
(Fragrance, Skin Conditioning)
3
B
Laureth-7
(Emulsifying, Surfactant)
4
A
Methylparaben
(Fragrance, Preservative)
Paraben
Paraben
1
Polymethylsilsesquioxane
(Opacifying)
3
Sodium PEG-7 Olive Oil Carboxylate
(Emulsifying, Surfactant, Foam Boosting, Hydrotrope)
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)
3
A
PEG-100 Stearate
(Surfactant)
Fungal Acne
Fungal Acne Trigger
4
B
PEG-7 Glyceryl Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
ACANTHOPANAX SENTICOSUS ROOT EXTRACT
(Skin Conditioning, Soothing)
PARFUM
(Fragrance, Perfuming)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
A
Hydrolyzed Soy Protein
(Antistatic Agent, Hair Conditioning, Humectant, Skin Conditioning)
Cynara Scolymus Leaf Extract
(Skin Conditioning)
3
A
Polyquaternium-7
(Antistatic Agent, Film Forming, Hair Fixing)
1
Hydrolyzed Yeast Protein
(Hair Conditioning, Skin Conditioning)
1
Palmitoyl Pentapeptide-4
(Skin Conditioning)
Methylsilanol Tri-PEG-8 Glyceryl Cocoate
(Emulsifying, Skin Conditioning)
1
A
Methicone
(Surface Modifier, Antistatic Agent, Emollient, Skin Conditioning)
Silicone
Silicone
CI 77891
(Colorant)
1
CI 77492
(Colorant, Cosmetic Colorant)

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
Galactomyces Ferment Filtrate
Humectant
Niacinamide
Skin Conditioning
Pentylene Glycol
Skin Conditioning
Phytosteryl/Octyldodecyl Lauroyl Glutamate
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
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
Phytosteryl/Octyldodecyl Lauroyl Glutamate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Xylitol
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentHumectantSkin conditioning
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Boron Nitride
Slip modifier, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Slip modifierAbsorbentOpacifyingSkin conditioning
PEG-20 Sorbitan Cocoate
Emulsifying
Limited public safety data.Read moreShow less
EWG N/A Emulsifying
Dimethicone/Vinyl Dimethicone Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Dipentaerythrityl Tri-Polyhydroxystearate
Emollient, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A EmollientSkin conditioning
PEG-11 Methyl Ether Dimethicone
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningSurfactant - emulsifyingagent
Aminomethyl Propanol
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Ph adjusterBuffering agent
Ceratonia Siliqua Fruit Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
+ 16 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
Galactomyces Ferment Filtrate
Humectant
Limited public safety data.Read moreShow less
EWG N/A Humectant Fungal-acne trigger
Isopropyl Isostearate
Binding agent, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR B Binding agentSkin conditioningEmollientBinding Bad for Oily SkinFungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin 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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Methylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
PEG-100 Stearate
Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Surfactant Fungal-acne trigger
PEG-7 Glyceryl Cocoate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Skin conditioningEmollientEmulsifyingSurfactant Fungal-acne trigger
Methicone
Surface modifier, Antistatic agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Surface modifierAntistatic agentEmollientSkin conditioning Silicone

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

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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