Bio Retinoid™ Youth Cream

REN Clean Skincare

Where to buy Possibly in stock

About this product

The REN Clean Skincare Bio Retinoid™ Youth Cream is a moisturizer. Our analysis of its 52 ingredients (32 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
52
Low-risk
32
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 12/9
Good for dry skin
Glucose Rosa Canina Fruit Oil Cetearyl Alcohol Oleyl Alcohol Bidens Pilosa Extract Caprylic/Capric Triglyceride Sodium Hyaluronate Glycerin Palmitic Acid Fructan Lactic Acid Myristyl Myristate
Caution for dry skin
Decyl Glucoside Myristyl Laurate Cetearyl Glucoside Xanthan Gum Glycerin Triheptanoin Palmitic Acid Hydroxypropyl Methylcellulose Sodium Hydroxide
Oily/Acne-Prone Skin No data
Sensitive Skin 4/14
Good for sensitive skin
Ascorbyl Palmitate Glycerin Hydroxyacetophenone Sodium Sulfite
Caution for sensitive skin
Rosa Damascena Extract Ascorbyl Palmitate Oleyl Alcohol Caprylic/Capric Triglyceride Glycerin Palmitic Acid Phenethyl Alcohol Citric Acid Lactic Acid Phenoxyethanol Linalool Benzyl Alcohol Citronellol Geraniol

Ingredients list

52 total
Lower hazard (1) Higher hazard (7)
All52 Skin Conditioning34 Fragrance16 Masking9 Emulsion Stabilising8 Humectant8 Emollient6 Antioxidant5 Surfactant5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
A
Rosa Canina Fruit Oil
(Emollient, Skin Conditioning)
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
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Oleyl Alcohol
(Fragrance, Skin Conditioning, Emollient, Solvent, Viscosity Increasingagent Nonaqueous, Emulsifying, Opacifying, Viscosity Controlling)
Bad for Oily Skin
Bad for Oily Skin
2
3
B
Myristyl Myristate
(Emollient, Opacifying, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
Oryza sativa bran oil
(Skin Conditioning, Skin Conditioning Emollient)
ELAEIS GUINEENSIS OIL
(Skin Conditioning Emollient)
1
B
Lauryl Laurate
(Binding Agent, Emulsion Stabilising, Hair Conditioning, Opacifying, Skin Conditioningagent Miscellaneous, Skin Conditioning)
1
A
Triheptanoin
(Viscosity Increasing Agent, Skin Conditioning, Surfactant, Viscosity Controlling)
1
B
Cetearyl Glucoside
(Emulsifying, Surfactant)
GOSSYPIUM HERBACEUM SEED OIL
(Skin Conditioning)
1
Dipalmitoyl Hydroxyproline
(Skin Conditioning, Antistatic Agent, Hair Conditioning)
Oryza Sativa Germ Oil
(Skin Conditioning Emollient)
1
Bidens Pilosa Extract
(Humectant, Skin Conditioning)
1
A
Hydroxypropyl Methylcellulose
(Adhesive, Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Antistatic Agent, Binding, Surfactant, Viscosity Controlling)
1
Hydroxyacetophenone
(Antioxidant)
1
Oryzanol
(Skin Conditioning, Antistatic Agent)
Linum Usitatissimum Seed Oil
(Perfuming, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Pullulan
(Binding Agent, Film Forming, Binding)
1
B
Myristyl Laurate
(Surfactant)
PARFUM
(Fragrance, Perfuming)
1
A
Palmitic Acid
(Fragrance, Opacifying, Sufactant, Surfactant Emulsifying Agentsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Palmitic Acid., Emollient)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
Kappaphycus Alvarezii Extract
(Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
2
A
Sodium Sulfite
(Antioxidant, Hair Waving Or Straightening, Reducing, Preservative)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
B
Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant)
1
Fructan
(Humectant, Skin Conditioning)
olea europaea leaf extract
(Perfuming, Skin Conditioning)
1
Rosa Damascena Extract
(Masking, Tonic)
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
Porphyridium Cruentum Extract
(Skin Conditioning)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
B
Phenethyl Alcohol
(Fragrance, Preservative, Masking)
Ziziphus Jujuba Seed Extract
(Skin Conditioning)
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
2
Beta-Carotene
(Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
daucus carota sativa root extract
(Skin Conditioning)
daucus carota sativa seed oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
A
Ascorbyl Palmitate
(Antioxidant, Masking)
Fungal Acne
Fungal Acne Trigger

My Ingredient Notes

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Key ingredients

Cetearyl Alcohol
Emollient
Rosa Canina Fruit Oil
Emollient, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Oleyl Alcohol
Skin Conditioning, Emollient
Myristyl Myristate
Emollient, Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Contains eu allergen
Not fungal acne (malassezia) safe
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
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Rosa Canina Fruit Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Oryza sativa bran oil
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
ELAEIS GUINEENSIS OIL
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Lauryl Laurate
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Binding agentEmulsion stabilisingHair conditioningOpacifyingSkin-conditioningagent - miscellaneousSkin conditioning
Triheptanoin
Viscosity increasing agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity increasing agentSkin conditioningSurfactantViscosity controlling
Cetearyl Glucoside
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
GOSSYPIUM HERBACEUM SEED OIL
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Dipalmitoyl Hydroxyproline
Skin conditioning, Antistatic agent
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningAntistatic agentHair conditioning
Oryza Sativa Germ Oil
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Bidens Pilosa Extract
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Hydroxypropyl Methylcellulose
Adhesive, Binding agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AdhesiveBinding agentEmulsion stabilisingFilm formingViscosity increasing agentAntistatic agentBindingSurfactantViscosity controlling
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
+ 23 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
Oleyl Alcohol
Fragrance, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSkin conditioningEmollientSolventViscosity increasingagent - nonaqueousEmulsifyingOpacifyingViscosity controlling Bad for Oily Skin
Myristyl Myristate
Emollient, Opacifying
Potentially comedogenic - can block poresRead moreShow less
EWG 2–3 CIR B EmollientOpacifyingSkin conditioning Bad for Oily Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Palmitic Acid
Fragrance, Opacifying
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceOpacifyingSufactantSurfactant -emulsifying agentsurfactant-cleansing agent is included as a function for the soap form of palmitic acid.Emollient Bad for Oily SkinFungal-acne trigger
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
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
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Beta-Carotene
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 Skin conditioning Good for Dry Skin
Ascorbyl Palmitate
Antioxidant, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntioxidantMasking Fungal-acne trigger

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.

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.

ASCORBIC ACID, Ascorbyl Palmitate

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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