Q+ Sod Brightening Serum

Priori

Where to buy Possibly in stock

About this product

The Priori Q+ Sod Brightening Serum is a serums, essence, ampoule. Our analysis of its 39 ingredients (29 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
39
Low-risk
29
Fragrance
Fragrance-free
Origin
Australia

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 9/12
Good for dry skin
Glyceryl Stearate Sucrose Cocoate Aluminum Hydroxide Isohexadecane Butylene Glycol Glycerin Dimethicone Sodium Lactate Lactic Acid
Caution for dry skin
Magnesium Aluminum Silicate Sorbitan Stearate Sucrose Cocoate Camellia Oleifera Leaf Extract Xanthan Gum Glycerin Hydrated Silica Steareth-2 Polysorbate 20 PEG-100 Stearate PEG-30 Dipolyhydroxystearate PEG-60 Hydrogenated Castor Oil
Oily/Acne-Prone Skin 3/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate Camellia Oleifera Leaf Extract Retinol
Sensitive Skin 8/8
Good for sensitive skin
Magnesium Ascorbyl Phosphate Superoxide Dismutase Allantoin Glycyrrhetinic Acid Aluminum Hydroxide Ubiquinone Glycerin Dimethicone BHT
Caution for sensitive skin
Sorbitan Stearate Butylene Glycol Glycerin PEG-60 Hydrogenated Castor Oil Lactic Acid Phenoxyethanol BHT Retinol

Ingredients list

39 total
Lower hazard (1) Higher hazard (9)
All39 Skin Conditioning29 Fragrance9 Viscosity Controlling8 Surfactant7 Emulsifying6 Humectant6 Emollient5 Skin Protecting5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
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
1
Sucrose Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant, Antistatic Agent)
Fungal Acne
Fungal Acne Trigger
1
B
Isohexadecane
(Skin Conditioning, Emollient, Solvent)
1
Isopropyl Lauroyl Sarcosinate
(Skin Conditioning)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
3
A
PEG-100 Stearate
(Surfactant)
Fungal Acne
Fungal Acne Trigger
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sorbitan Stearate
(Fragrance, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
3
B
Steareth-2
(Emulsifying, Surfactant)
CI 77891
(Colorant)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Magnesium Aluminum Silicate
(Absorbent, Anticaking Agent, Opacifying, Slip Modifier, Viscosity Increasing Agent, Viscosity Controlling)
3
B
PEG-60 Hydrogenated Castor Oil
(Fragrance, Sufactant, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Ubiquinone
(Antioxidant, Skin Conditioning)
1
Superoxide Dismutase
(Reducing, Skin Conditioning, Antioxidant)
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
Camellia Oleifera Leaf Extract
(Astringent, Skin Conditioning)
glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing)
1
Morus Alba Leaf Extract
(Skin Conditioning)
Vitis Vinifera Fruit Extract
(Skin Conditioning)
1
A
Alginic Acid
(Binding Agent, Skin Conditioning, Viscosity Increasing Agent, Binding, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
Methyl Dihydroxybenzoate
(Chelating Agent)
3
PEG-30 Dipolyhydroxystearate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Cetyl Hydroxyethylcellulose
(Emulsion Stabilising, Viscosity Increasing Agent, Film Forming, 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
Hydrated Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Oral Care Agent, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling)
6
A
BHT
(Antioxidant, Fragrance, Masking)
1
A
Aluminum Hydroxide
(Emollient, Humectant, Opacifying, Skin Protecting, Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Allantoin Glycyrrhetinic Acid
(Skin Conditioning, Skin Protecting, Soothing)
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)

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

Sodium Lactate
Exfoliant, Humectant
Glycerin
Humectant, Skin Protecting
Sucrose Cocoate
Skin Conditioning, Emollient
Isohexadecane
Skin Conditioning, Emollient
Isopropyl Lauroyl Sarcosinate
Skin Conditioning
Glyceryl Stearate
Emollient

Benefits

Good for oily/acne-prone skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
Retinol — higher EWG
May not suit dry skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Sodium Lactate
Buffering agent, Exfoliant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Buffering agentExfoliantHumectantKeratolytic
Isohexadecane
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolvent
Isopropyl Lauroyl Sarcosinate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Steareth-2
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Magnesium Aluminum Silicate
Absorbent, Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentAnticaking agentOpacifyingSlip modifierViscosity increasing agentViscosity controlling
Ubiquinone
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Superoxide Dismutase
Reducing, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 ReducingSkin conditioningAntioxidant
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Bisabolol
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSoothing
Camellia Oleifera Leaf Extract
Astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentSkin conditioning
glycyrrhiza glabra root extract
Bleaching, Perfuming
Limited public safety data.Read moreShow less
EWG N/A BleachingPerfumingSkin conditioningSkin conditioning emollientSmoothingSoothing
Morus Alba Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Vitis Vinifera Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 10 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
Sucrose Cocoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactantAntistatic agent Fungal-acne trigger
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
PEG-100 Stearate
Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Surfactant Fungal-acne trigger
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Sorbitan Stearate
Fragrance, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceEmulsifyingSurfactant Fungal-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
PEG-60 Hydrogenated Castor Oil
Fragrance, Sufactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceSufactantSurfactant Fungal-acne trigger
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
PEG-30 Dipolyhydroxystearate
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 EmulsifyingSurfactant Fungal-acne trigger
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinol)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinol

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.

Magnesium Ascorbyl Phosphate

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic 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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