Overnight Hydration Therapy

ESPA

Where to buy Possibly in stock

About this product

The ESPA Overnight Hydration Therapy is a leave on & sleeping mask. Our analysis of its 58 ingredients (45 low-risk) rates it Excellent (93/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Leave On & Sleeping Masks
Ingredients
58
Low-risk
45
Fragrance
Contains fragrance
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 23/10
Good for dry skin
Glucose Glyceryl Stearate Glyceryl Caprylate Cistus Ladaniferus Oil Lavandula Hybrida Oil Magnesium PCA Anhydroxylitol Sorbitol Stearyl Alcohol Ethylhexyl Palmitate Xylitol Xylitylglucoside Caprylyl Glycol Sodium PCA Sodium Hyaluronate Glycerin Trihydroxystearin Polyglyceryl-2 Stearate Manganese PCA Glyceryl Linolenate Zinc PCA Glyceryl Linoleate Lecithin
Caution for dry skin
Glyceryl Caprylate Stearyl Alcohol Xanthan Gum Glycerin Polyglyceryl-2 Stearate Glyceryl Linolenate Sodium Hydroxide Eugenol Glyceryl Linoleate Lecithin
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Sodium Ascorbyl Phosphate
Sensitive Skin 5/22
Good for sensitive skin
Sodium Ascorbyl Phosphate Ascorbyl Glucoside Glycerin Tocopheryl Acetate Glucomannan
Caution for sensitive skin
Cistus Ladaniferus Oil Juniperus Mexicana Oil Pelargonium Graveolens Oil Sorbitol Stearyl Alcohol Ethylhexyl Palmitate Boswellia Carterii Oil Glycerin Bulnesia Sarmientoi Wood Oil Citric Acid Eucalyptus Globulus Leaf Oil Abies Sibirica Oil Sodium Benzoate Acacia Senegal Gum Cananga Odorata Flower Oil Potassium Sorbate Phenoxyethanol Linalool Benzyl Alcohol Limonene Eugenol Geraniol

Ingredients list

58 total
Lower hazard (1) Higher hazard (7)
All58 Skin Conditioning36 Fragrance18 Humectant17 Masking15 Emollient12 Perfuming9 Emulsifying7 Tonic6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
B
Polyglyceryl-2 Stearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Stearyl Alcohol
(Emulsion Stabilising, Fragrance, Emulsifying, Surfactant, Foambooster, Viscosity Increasing Agent, Emollient, Foam Boosting, Masking, Opacifying, Refatting, Viscosity Controlling)
1
Xylitylglucoside
(Humectant, Skin Conditioning)
1
B
Ethylhexyl Palmitate
(Fragrance, Skin Conditioning, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
Anhydroxylitol
(Humectant, Skin Conditioning)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
1
Ascorbyl Glucoside
(Antioxidant)
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
Lavandula Hybrida Oil
(Emollient)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
lavandula angustifolia oil
(Fragrance, Tonic)
1
A
Dehydroacetic Acid
(Preservative)
2
Eucalyptus Globulus Leaf Oil
(Perfuming, Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
Eugenia Caryophyllus Leaf Oil
(Fragrance, Perfuming, Skin Conditioning, Tonic)
Cichorium Intybus Root Extract
(Fragrance, Skin Conditioning)
1
A
Trihydroxystearin
(Viscosity Increasing Agent, Emollient, Skin Conditioning, Solvent, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
B
Magnesium PCA
(Humectant, Skin Conditioning)
7
Eugenol
(Denaturant, Fragrance, Masking, Tonic)
Allergens
Allergens
1
Hydrolyzed Yeast Protein
(Hair Conditioning, Skin Conditioning)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
Juniperus Mexicana Oil
(Fragrance, Masking)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning)
3
Zinc PCA
(Skin Conditioning, Humectant)
3
Abies Sibirica Oil
(Masking, Perfuming, Tonic)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
3
Cananga Odorata Flower Oil
(Masking, Perfuming)
Bad for Sensitive Skin
Bad for Sensitive Skin
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Pelargonium Graveolens Oil
(Masking, Perfuming)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
PARFUM
(Fragrance, Perfuming)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Chitosan
(Film Forming, Hair Fixing)
2
Manganese PCA
(Humectant, Moisturising, Skin Conditioning)
2
3
A
Glyceryl Linoleate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
3
A
Glyceryl Linolenate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Boswellia Carterii Oil
(Masking, Tonic)
1
Bulnesia Sarmientoi Wood Oil
(Masking, Skin Conditioning)
1
Cistus Ladaniferus Oil
(Emollient, Masking)
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Glucomannan
(Skin Conditioning, Skin Protecting)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering 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

Antioxidants
Shields skin from free radical damage.
Vitamin C
Brightens, evens tone, and supports collagen.
Retinoid
Visibly reduces the signs of aging.
Vitamin E
Protects skin and soothes irritation.
Hyaluronic Acid
Hydrates by attracting and holding water.
Zinc
Helps control oil and supports healing.
Show all 6 key ingredients

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Redness ReducingSoothes visible redness and calms irritation.
Reduces Large PoresMinimizes the look of enlarged pores.
Acne FightingFights acne and helps prevent breakouts.
Anti-AgingSoftens lines and helps skin look youthful.

Concerns

Contains paraben
Contains eu allergen
Not fungal acne (malassezia) safe
Eugenol — higher EWG
Geraniol — higher EWG
May not suit sensitive 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
Polyglyceryl-2 Stearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifyingSurfactant
Stearyl Alcohol
Emulsion stabilising, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingFragranceEmulsifyingSurfactant- foamboosterViscosity increasing agentEmollientFoam boostingMaskingOpacifyingRefattingViscosity controlling
Xylitylglucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Anhydroxylitol
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Ascorbyl Glucoside
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Xylitol
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentHumectantSkin conditioning
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
Lavandula Hybrida Oil
Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Emollient
Glucose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantSkin-conditioning agent- miscellaneous
lavandula angustifolia oil
Fragrance, Tonic
Limited public safety data.Read moreShow less
EWG N/A FragranceTonic
Dehydroacetic Acid
Preservative
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Preservative
Eugenia Caryophyllus Leaf Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioningTonic
Cichorium Intybus Root Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Trihydroxystearin
Viscosity increasing agent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity increasing agentEmollientSkin conditioningSolventViscosity controlling
+ 28 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
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Ethylhexyl Palmitate
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSkin conditioningEmollientPerfuming Fungal-acne trigger
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Eucalyptus Globulus Leaf Oil
Perfuming, Skin conditioning
Strong essential oil which can irritate skinRead moreShow less
EWG 2 PerfumingSkin conditioning Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Eugenol
Denaturant, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 DenaturantFragranceMaskingTonic Allergens
Cananga Odorata Flower Oil
Masking, Perfuming
Strong essential oil which can irritate skinRead moreShow less
EWG 3 MaskingPerfuming Bad for Sensitive Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin

How to use

How to use

  • 1 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 2 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) (Retinyl Palmitate)

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.

Retinyl Palmitate

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.

Ascorbyl Glucoside, Sodium 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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