Overnight Clarity

Trinny London

Where to buy Possibly in stock

About this product

The Trinny London Overnight Clarity is a serums, essence, ampoule. Our analysis of its 30 ingredients (22 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
30
Low-risk
22
Fragrance
Fragrance-free
Origin
United Kingdom

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 9/3
Good for dry skin
Glucose Behenyl Alcohol Arachidyl Alcohol Undecane Caprylic/Capric Triglyceride Butylene Glycol Sodium Lactate Lactic Acid Coco-Caprylate
Caution for dry skin
Cyclodextrin Sodium Stearoyl Glutamate Arachidyl Glucoside
Oily/Acne-Prone Skin No data
Sensitive Skin 1/6
Good for sensitive skin
Hydroxyacetophenone
Caution for sensitive skin
Glutathione Caprylic/Capric Triglyceride Butylene Glycol Tridecane Lactic Acid Benzyl Alcohol

Ingredients list

30 total
Lower hazard (1) Higher hazard (6)
All30 Skin Conditioning21 Solvent6 Emollient5 Humectant5 Fragrance5 Emulsion Stabilising5 Viscosity Controlling5 Viscosity Increasing Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Potassium Azeloyl Diglycinate
(Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
B
Coco-Caprylate
(Emollient)
1
A
Cyclodextrin
(Absorbent, Chelating Agent)
1
Undecane
(Emollient, Skin Conditioning)
1
Tridecane
(Perfuming)
1
Arachidyl Alcohol
(Emulsion Stabilising, Viscosity Increasing Agent, Emollient, Viscosity Controlling)
1
A
Behenyl Alcohol
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Emollient, Viscosity Controlling)
1
B
Arachidyl Glucoside
(Emulsifying, Surfactant)
1
Chlorella Vulgaris Extract
(Skin Conditioning)
Azelamidopropyl Dimethyl Amine
(Anti Sebum, Antimicrobial, Skin Conditioning)
1
A
Rubus Chamaemorus Seed Oil
(Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
5
6
Retinal
(Skin Conditioning)
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
B
Sodium Stearoyl Glutamate
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Glutathione
(Fragrance, Reducing)
Lonicera Caprifolium Flower Extract
(Perfuming, Skin Conditioning)
Lonicera Japonica Flower Extract
(Skin Conditioning)
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
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
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
1
Hydroxyacetophenone
(Antioxidant)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens

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

Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Niacinamide
Skin Conditioning
Potassium Azeloyl Diglycinate
Skin Conditioning
Coco-Caprylate
Emollient
Undecane
Emollient, Skin Conditioning
Arachidyl Alcohol
Emollient

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin

Concerns

Contains eu allergen
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Potassium Azeloyl Diglycinate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Coco-Caprylate
Emollient
Limited public safety data.Read moreShow less
EWG N/A CIR B Emollient
Cyclodextrin
Absorbent, Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentChelating agent
Undecane
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSkin conditioning
Tridecane
Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 Perfuming
Arachidyl Alcohol
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity increasing agentEmollientViscosity controlling
Behenyl Alcohol
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingViscosity increasing agentBindingEmollientViscosity controlling
Arachidyl Glucoside
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
Chlorella Vulgaris Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Azelamidopropyl Dimethyl Amine
Anti sebum, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti sebumAntimicrobialSkin conditioning
Rubus Chamaemorus Seed Oil
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
+ 11 more — see the full ingredients list above
Retinal
Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5–6 Skin conditioning
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
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
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens

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) (Retinal)

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.

Retinal

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

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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