Vitamin C Serum

Ausceuticals

Where to buy Possibly in stock

About this product

The Ausceuticals Vitamin C Serum is a emulsion. Our analysis of its 21 ingredients (16 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
21
Low-risk
16
Fragrance
Fragrance-free
Origin
Australia
Data updated
May 2026

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 4/5
Good for dry skin
Glyceryl Undecylenate Glyceryl Caprylate Sodium Hyaluronate Glycerin
Caution for dry skin
Glyceryl Undecylenate Glyceryl Caprylate Lysolecithin Xanthan Gum Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 4/3
Good for sensitive skin
Glycerin Thioctic Acid Ferulic Acid Phloretin
Caution for sensitive skin
Calendula Officinalis Flower Extract Glycerin Potassium Sorbate

Ingredients list

21 total
Lower hazard (1) Higher hazard (3)
All21 Skin Conditioning15 Fragrance6 Antioxidant5 Emulsion Stabilising4 Emulsifying3 Surfactant3 Viscosity Controlling3 Humectant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
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
2
Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Phloretin
(Antioxidant, Antiseborrhoeic)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Calendula Officinalis Flower Extract
(Masking, Perfuming, Skin Conditioning)
CHAMOMILLA RECUTITA FLOWER EXTRACT
(Fragrance, Skin Conditioning)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
2
Thioctic Acid
(Antioxidant)
1
A
Lysolecithin
(Emulsifying, Surfactant)
1
A
Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, 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
Pullulan
(Binding Agent, Film Forming, Binding)
1
A
Glyceryl Undecylenate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
Sodium Phytate
(Chelating Agent, Oral Care 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

ASCORBIC ACID
Antioxidant, Skin Conditioning
Panthenol
Skin Conditioning
Glycerin
Humectant, Skin Protecting
Ferulic Acid
Antioxidant, Uv Absorber
TOCOPHEROL
Antioxidant, Skin Conditioning
Phloretin
Antioxidant

Benefits

Good for sensitive skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
ASCORBIC ACID
Antioxidant, Buffering
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBufferingFragranceSkin conditioning
Ferulic Acid
Antioxidant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 2 AntioxidantPreservativeUv absorberAntimicrobial
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Phloretin
Antioxidant, Antiseborrhoeic
Limited public safety data.Read moreShow less
EWG N/A AntioxidantAntiseborrhoeic
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Calendula Officinalis Flower Extract
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A MaskingPerfumingSkin conditioning
CHAMOMILLA RECUTITA FLOWER EXTRACT
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Bisabolol
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSoothing
Thioctic Acid
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 2 Antioxidant
Lysolecithin
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant
Sclerotium Gum
Emulsion stabilising, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingSkin conditioningViscosity increasing agentViscosity controlling
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
Pullulan
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingBinding
Glyceryl Undecylenate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifyingSurfactant
+ 3 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
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

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

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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