High Octane Vitamin C Serum

Platinum Skincare

Where to buy Possibly in stock

About this product

The Platinum Skincare High Octane Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 15 ingredients (11 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
15
Low-risk
11
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

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 6/1
Good for dry skin
Dimethiconol Isododecane Cyclomethicone Cyclopentasiloxane Cyclotetrasiloxane Lecithin
Caution for dry skin
Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 2/2
Good for sensitive skin
Aminopropyl Ascorbyl Phosphate Tetrahexyldecyl Ascorbate
Caution for sensitive skin
Isododecane Phenoxyethanol

Ingredients list

15 total
Lower hazard (1) Higher hazard (5)
All15 Skin Conditioning17 Emollient6 Hair Conditioning4 Solvent4 Antioxidant3 Fragrance3 Antifoaming Agent2 Antistatic Agent2
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
A
Cyclomethicone
(Antistatic Agent, Emollient, Hair Conditioning, Humectant, Solvent, Viscosity Controlling)
Silicone
Silicone
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
1
Dimethicone/Methicone Copolymer
(Anticaking Agent)
1
A
Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising)
Silicone
Silicone
1
A
Dimethicone Crosspolymer-3
(Skin Conditioning, Slip Modifier)
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
5
A
Cyclotetrasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Octyldodecyl Cocoate
(Skin Conditioning Emollient)
1
A
Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, Skin Conditioning)
Silicone
Silicone
1
Aminopropyl Ascorbyl Phosphate
(Antioxidant, Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Glycolipids
(Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

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

Cyclomethicone
Emollient, Humectant
Isododecane
Emollient
Tetrahexyldecyl Ascorbate
Antioxidant, Skin Conditioning
ASCORBIC ACID
Antioxidant, Skin Conditioning
Dimethiconol
Skin Conditioning, Emollient
Dimethicone Crosspolymer-3
Skin Conditioning

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin

Concerns

Contains paraben
Contains silicone

Ingredients explained

Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
ASCORBIC ACID
Antioxidant, Buffering
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBufferingFragranceSkin conditioning
Dimethicone/Methicone Copolymer
Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 Anticaking agent
Dimethicone Crosspolymer-3
Skin conditioning, Slip modifier
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSlip modifier
Octyldodecyl Cocoate
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Aminopropyl Ascorbyl Phosphate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Lecithin
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Skin conditioningEmulsifyingSurfactantAntistatic agentEmollient
Glycolipids
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Cyclomethicone
Antistatic agent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Antistatic agentEmollientHair conditioningHumectantSolventViscosity controlling Silicone
Dimethiconol
Antifoaming agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentSkin conditioningEmollientMoisturising Silicone
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Cyclotetrasiloxane
Hair conditioning, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A Hair conditioningSkin conditioningEmollientSolvent
Phenyl Trimethicone
Antifoaming agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentHair conditioningSkin conditioning Silicone
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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.

Tetrahexyldecyl Ascorbate, ASCORBIC ACID, Aminopropyl Ascorbyl Phosphate

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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