Daily Vitamin C Serum

Oak Essentials

Where to buy Possibly in stock

About this product

The Oak Essentials Daily Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (98/100). 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
Serums, Essence, Ampoules
Ingredients
25
Low-risk
17
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

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
Squalane Phaeodactylum Tricornutum Extract Lecithin Polyglycerin-6
Caution for dry skin
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Sorbitan Oleate Sorbitan Isostearate Xanthan Gum Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 5/3
Good for sensitive skin
Sodium Ascorbate Ethyl Ferulate Tetrahexyldecyl Ascorbate Phaeodactylum Tricornutum Extract Hydroxyacetophenone
Caution for sensitive skin
Sorbitan Oleate Acacia Senegal Gum Phenoxyethanol

Ingredients list

25 total
Lower hazard (1) Higher hazard (4)
All25 Skin Conditioning13 Fragrance6 Antioxidant5 Emulsifying4 Solvent3 Emulsion Stabilising3 Surfactant3 Viscosity Increasing Agent2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
B
Ethylhexyl Olivate
(Skin Conditioning)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
Magnolia Officinalis Bark Extract
(Antimicrobial, Skin Conditioning)
1
Phaeodactylum Tricornutum Extract
(Humectant, Soothing)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning)
1
A
Sodium Ascorbate
(Antioxidant)
Polyglycerin-6
(Humectant)
1
Ethyl Ferulate
(Antioxidant, Preservative)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
Hydroxyacetophenone
(Antioxidant)
3
C15-19 Alkane
(Solvent)
1
A
Sorbitan Oleate
(Fragrance, Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
Polyglyceryl-6 Laurate
(Emulsifying)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Sorbitan Isostearate
(Emulsifying, Surfactant)
1
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Anticaking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent)
1
Tetrasodium Glutamate Diacetate
(Chelating Agent)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)

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

3-O-ETHYL ASCORBIC ACID
Skin Conditioning
Tetrahexyldecyl Ascorbate
Antioxidant, Skin Conditioning
Helianthus Annuus Seed Oil
Skin Conditioning
Ethylhexyl Olivate
Skin Conditioning
Magnolia Officinalis Bark Extract
Skin Conditioning
Phaeodactylum Tricornutum Extract
Humectant, Soothing

Benefits

Good for sensitive skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
3-O-ETHYL ASCORBIC ACID
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Ethylhexyl Olivate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioning
Acacia Senegal Gum
Adhesive, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AdhesiveFragranceFilm formingMasking
Magnolia Officinalis Bark Extract
Antimicrobial, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A AntimicrobialSkin conditioning
Phaeodactylum Tricornutum Extract
Humectant, Soothing
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSoothing
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
rosmarinus officinalis leaf extract
Antimicrobial, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntimicrobialFragranceSkin conditioning
Sodium Ascorbate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Polyglycerin-6
Humectant
Limited public safety data.Read moreShow less
EWG N/A Humectant
Ethyl Ferulate
Antioxidant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantPreservative
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
+ 8 more — see the full ingredients list above
Sorbitan Oleate
Fragrance, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceEmulsifyingSurfactant Bad for Oily SkinFungal-acne trigger
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.

3-O-ETHYL ASCORBIC ACID, Tetrahexyldecyl Ascorbate, Sodium Ascorbate

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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