Crystal Retinal 10

Medik8

Where to buy Possibly in stock

About this product

The Medik8 Crystal Retinal 10 is a emulsion. Our analysis of its 47 ingredients (39 low-risk) rates it Excellent (95/100).

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
47
Low-risk
39
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 10/13
Good for dry skin
Moringa Oleifera Seed Oil Cetearyl Alcohol Sodium Polyaspartate Squalane Isododecane Caprylic/Capric Triglyceride Sodium Hyaluronate Glycerin PPG-12/SMDI Copolymer Lecithin
Caution for dry skin
Cyclodextrin Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Sorbitan Olivate Sorbitan Isostearate Stearic Acid Isostearic Acid Glycerin Polyglyceryl-3 Polyricinoleate Polyhydroxystearic Acid Hydroxypropyl Methylcellulose Alumina Polysorbate 60 Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 7/8
Good for sensitive skin
Vanilla Planifolia Fruit Extract Melia Azadirachta Leaf Extract Glycerin Tetrahexyldecyl Ascorbate Hydroxyacetophenone Tocopheryl Acetate BHT
Caution for sensitive skin
Stearic Acid Isododecane Caprylic/Capric Triglyceride Glycerin Dipteryx Odorata Bean Extract Phenoxyethanol BHT Coumarin

Ingredients list

47 total
Lower hazard (1) Higher hazard (7)
All47 Skin Conditioning28 Emulsifying9 Emollient7 Emulsion Stabilising7 Fragrance7 Surfactant6 Solvent6 Viscosity Controlling5
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
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
B
Cetearyl Olivate
(Hair Conditioning)
1
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Anticaking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
PPG-12/SMDI Copolymer
(Emollient, Film Forming, Hair Fixing, Skin Conditioning)
1
A
Sorbitan Olivate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
3
Titanium Dioxide
(Cosmetic Colorant, Opacifying, Sunscreen Agent, Uv Absorber)
Good for Sensitive Skin
Good for Sensitive Skin
1
Eclipta Prostrata Extract
(Skin Conditioning)
1
A
Cyclodextrin
(Absorbent, Chelating Agent)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
Melia Azadirachta Leaf Extract
(Antimicrobial, Skin Protecting)
1
A
Hydroxypropyl Methylcellulose
(Adhesive, Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Antistatic Agent, Binding, Surfactant, Viscosity Controlling)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
1
A
Rubus Chamaemorus Seed Oil
(Skin Conditioning)
2
A
Alumina
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Isostearic Acid
(Binding Agent, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Isostearic Acid., Binding, Emulsifying)
Fungal Acne
Fungal Acne Trigger
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Polyglyceryl-3 Polyricinoleate
(Emulsifying, Surfactant, Viscosity Increasing Agent)
1
Polyhydroxystearic Acid
(Suspending Agent Nonsurfactant, Emulsifying)
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
5
6
Retinal
(Skin Conditioning)
1
A
Moringa Oleifera Seed Oil
(Emollient, Skin Conditioning)
1
Sodium Polyaspartate
(Hair Conditioning, Humectant, Skin Conditioning)
1
Climbazole
(Cosmetic Biocide, Antimicrobial, Preservative)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
Lonicera Japonica Flower Extract
(Skin Conditioning)
Lonicera Caprifolium Flower Extract
(Perfuming, Skin Conditioning)
daucus carota sativa seed oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning)
1
Dipteryx Odorata Bean Extract
(Masking, Perfuming)
1
Hydroxyacetophenone
(Antioxidant)
3
B
Polysorbate 60
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Sorbitan Isostearate
(Emulsifying, Surfactant)
1
Vanilla Planifolia Fruit Extract
(Skin Conditioning, Skin Protecting, Smoothing)
1
A
Decylene Glycol
(Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
6
A
BHT
(Antioxidant, Fragrance, Masking)
7
Coumarin
(Fragrance, 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
Glycerin
Humectant, Skin Protecting
Isododecane
Emollient
Cetearyl Alcohol
Emollient
PPG-12/SMDI Copolymer
Emollient, Skin Conditioning
Tocopheryl Acetate
Antioxidant, Skin Conditioning

Benefits

No standout benefits flagged for this product.

Concerns

Contains paraben
Contains eu allergen
Not fungal acne (malassezia) safe
Coumarin — higher EWG
May not suit dry skin
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
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
Cetearyl Olivate
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioning
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Anticaking agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 Anticaking agentEmulsion stabilisingOpacifyingSuspending agent - nonsurfactantViscosity increasing agent
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
PPG-12/SMDI Copolymer
Emollient, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientFilm formingHair fixingSkin conditioning
Eclipta Prostrata Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Cyclodextrin
Absorbent, Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentChelating agent
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Melia Azadirachta Leaf Extract
Antimicrobial, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 AntimicrobialSkin protecting
Hydroxypropyl Methylcellulose
Adhesive, Binding agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AdhesiveBinding agentEmulsion stabilisingFilm formingViscosity increasing agentAntistatic agentBindingSurfactantViscosity controlling
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Rubus Chamaemorus Seed Oil
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
+ 20 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
Sorbitan Olivate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifyingSunscreen agentUv absorber Good for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Isostearic Acid
Binding agent, Sufactantsurfactant-cleansing agent is included as a function for the soap form of isostearic acid.
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentSufactantsurfactant-cleansing agent is included as a function for the soap form of isostearic acid.BindingEmulsifying Fungal-acne trigger
Stearic Acid
Fragrance, Sufactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSufactantEmulsifyingSurfactantsurfactant-cleansing agent is included as a function for the soap form of stearic acid.Emulsion stabilisingMaskingRefatting Bad for Oily SkinFungal-acne trigger
Retinal
Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5–6 Skin conditioning
Polysorbate 60
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Coumarin
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 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) (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

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.

Tetrahexyldecyl Ascorbate, 3-O-ETHYL ASCORBIC 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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