Deep Sleep Overnight Cream

This Works

Where to buy Possibly in stock

About this product

The This Works Deep Sleep Overnight Cream is a moisturizer. Our analysis of its 36 ingredients (22 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to 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
Moisturizers
Ingredients
36
Low-risk
22
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 10/7
Good for dry skin
Cetearyl Alcohol Copper PCA Caprylic/Capric Triglyceride Sodium Hyaluronate Glycerin Cholesterol Fructooligosaccharides Sodium Polyacrylate Lactic Acid Potassium Lactate
Caution for dry skin
Glyceryl Stearate SE Sodium Lauroyl Lactylate Sorbitan Olivate Xanthan Gum Glycerin Sodium Polyacrylate Sodium Hydroxide
Oily/Acne-Prone Skin No data
Sensitive Skin 1/11
Good for sensitive skin
Glycerin
Caution for sensitive skin
Vetiveria Zizanoides Root Oil Albizia Julibrissin Bark Extract Caprylic/Capric Triglyceride Glycerin Sodium Benzoate Lactic Acid Phenoxyethanol Linalool Benzyl Alcohol Ormenis Multicaulis Flower Oil Pogostemon Cablin Leaf Oil

Ingredients list

36 total
Lower hazard (1) Higher hazard (5)
All36 Skin Conditioning23 Fragrance9 Emulsion Stabilising9 Masking7 Humectant7 Perfuming6 Hair Conditioning6 Emulsifying5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, 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
Albizia Julibrissin Bark Extract
(Masking, Skin Conditioning)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
B
Cetearyl Olivate
(Hair Conditioning)
1
A
Glyceryl Stearate SE
(Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
1
Fructooligosaccharides
(Humectant, Skin Conditioning)
1
A
Sorbitan Olivate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
Beta Vulgaris Root Extract
(Skin Conditioning)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
3
B
Sodium Polyacrylate
(Absorbent, Emulsion Stabilising, Film Forming, Hair Fixing, Skin Conditioning Agent Emollient, Viscosity Controlling Agent, Viscosity Increasing Agent, Binding, Skin Conditioning)
1
Copper PCA
(Humectant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
4
B
Potassium Lactate
(Buffering Agent, Exfoliant, Humectant, Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Sodium Lauroyl Lactylate
(Emulsifying, Surfactant)
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
PARFUM
(Fragrance, Perfuming)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
1
Phytosphingosine
(Hair Conditioning, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
Cinnamomum Camphora Linalooliferum Wood Oil
(Perfuming)
lavandula angustifolia oil
(Fragrance, Tonic)
Ormenis Multicaulis Flower Oil
(Perfuming)
Pogostemon Cablin Leaf Oil
(Masking)
1
Vetiveria Zizanoides Root Oil
(Masking, Perfuming, Tonic)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)

My Ingredient Notes

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Key ingredients

Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Albizia Julibrissin Bark Extract
Skin Conditioning
Cetearyl Alcohol
Emollient
Fructooligosaccharides
Humectant, Skin Conditioning
Beta Vulgaris Root Extract
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Contains eu allergen
Not fungal acne (malassezia) safe
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
Albizia Julibrissin Bark Extract
Masking, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingSkin conditioning
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Cetearyl Olivate
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioning
Fructooligosaccharides
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Beta Vulgaris Root Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Polyacrylate
Absorbent, Emulsion stabilising
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B AbsorbentEmulsion stabilisingFilm formingHair fixingSkin-conditioning agent -emollientViscosity controlling agentViscosity increasing agentBindingSkin conditioning
Copper PCA
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Potassium Lactate
Buffering agent, Exfoliant
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Buffering agentExfoliantHumectantSkin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Sodium Lauroyl Lactylate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
+ 13 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 SE
Emulsifying, Surfactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A EmulsifyingSurfactant Bad for Oily Skin
Sorbitan Olivate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant 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 Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant 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
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
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 near the end of your routine, after thinner serums.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 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

Effective levels — general guide

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

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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