Le Grand Sérum Beautifying Elixir for the Face

Biologique Recherche

Le Grand Sérum Beautifying Elixir for the Face

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About this product

The Biologique Recherche Le Grand Sérum Beautifying Elixir for the Face is a serums, essence, ampoule. Our analysis of its 60 ingredients (41 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
60
Low-risk
41
Fragrance
Fragrance-free
Origin
France
Data updated
Jun 2026

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 14/9
Good for dry skin
Pueraria Lobata Root Extract Honey Extract Sorbitol Acetyl Hexapeptide-8 Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Propylene Glycol Hydrolyzed Silk Sodium Lactate Urea Lactic Acid TEA-Lactate
Caution for dry skin
Rhizobian Gum Sodium Salicylate Xanthan Gum Glycerin Tannic Acid PVP Alcohol Alcohol Denat. Myrtus Communis Extract
Oily/Acne-Prone Skin 4/0
Good for oily/acne-prone skin
Tannic Acid Alcohol Alcohol Denat. Myrtus Communis Extract
Sensitive Skin 6/20
Good for sensitive skin
Lactobacillus/Wasabia Japonica Root Ferment Extract Mimosa Tenuiflora Bark Extract Sambucus Nigra Flower Extract Glycerin Allantoin Farnesol
Caution for sensitive skin
Nasturtium Officinale Extract Serine Sorbitol Butylene Glycol Glycerin Propylene Glycol Tannic Acid Citric Acid Alcohol Sodium Benzoate Sorbic Acid Acacia Senegal Gum Potassium Sorbate Lactic Acid Alcohol Denat. Farnesol Phenoxyethanol Linalool Limonene Thiamine HCl

Ingredients list

60 total
Lower hazard (1) Higher hazard (6)
All60 Skin Conditioning42 Fragrance18 Humectant18 Masking11 Solvent9 Viscosity Controlling8 Hair Conditioning6 Perfuming6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Cucumis Sativus Fruit Extract
(Skin Conditioning, Skin Conditioning Emollient)
1
Lactobacillus/Wasabia Japonica Root Ferment Extract
(Antioxidant)
1
A
Sodium Gluconate
(Chelating Agent, Skin Conditioning)
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
Empetrum Nigrum Fruit Juice
(Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
Magnesium Chloride
(Viscosity Controlling)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Vinegar
(Ph Adjuster)
4
B
TEA-Lactate
(Humectant, Skin Conditioning)
2
Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Yeast Extract
(Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
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
Mimosa Tenuiflora Bark Extract
(Skin Protecting, Soothing)
1
B
Sodium Salicylate
(Denaturant, Preservative)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
Myrtus Communis Extract
(Astringent)
1
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
1
Honey Extract
(Humectant, Skin Conditioning, Moisturising)
1
Nasturtium Officinale Extract
(Perfuming, Skin Conditioning)
1
Pueraria Lobata Root Extract
(Humectant)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
Allium Cepa Bulb Extract
(Skin Conditioning)
1
A
PVP
(Binding Agent, Emulsion Stabilising, Film Forming, Hair Fixing, Suspending Agent Nonsurfactant, Antistatic Agent, Binding, Viscosity Controlling)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Biosaccharide Gum-2
(Skin Conditioning)
Commiphora Myrrha Resin Extract
(Nail Conditioning, Skin Conditioning)
1
Royal Jelly Extract
(Skin Conditioning)
1
Tannic Acid
(Cosmetic Astringent, Fragrance, Masking)
Hamamelis Virginiana Bark/Leaf/Twig Extract
(Skin Conditioning)
Vaccinium Macrocarpon Fruit Extract
(Astringent)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
Carum Carvi Fruit Oil
(Fragrance, Perfuming)
Jasminum Grandiflorum Flower Extract
(Fragrance, Perfuming)
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Rhizobian Gum
(Film Forming, Hair Fixing, Plasticizer, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Aqueous, Viscosity Controlling)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
A
Hypericum Perforatum Flower/Leaf/Stem Extract
(Skin Conditioning)
1
Sambucus Nigra Flower Extract
(Refreshing, Skin Conditioning, Soothing, Tonic)
1
Terminalia Catappa Leaf Extract
(Skin Conditioning)
1
Pyridoxine HCl
(Hair Conditioning, Skin Conditioning, Antistatic Agent)
Thiamine HCl
(Masking, Skin Conditioning)
Mentha Piperita Oil
(Fragrance, Perfuming, Refreshing, Tonic)
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)
3
A
Sorbic Acid
(Fragrance, Preservative)
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)
4
Farnesol
(Fragrance, Deodorant, Masking, Solvent, Soothing)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, 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

AHA
Exfoliates skin for a brighter complexion.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Peptides
Supports skin hydration and improves firmness.
Urea
Gently exfoliates and deeply moisturizes.
Antioxidants
Shields skin from free radical damage.
Show all 6 key ingredients

Benefits

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

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
Cucumis Sativus Fruit Extract
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Lactobacillus/Wasabia Japonica Root Ferment Extract
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Sodium Gluconate
Chelating agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentSkin conditioning
Sodium Lactate
Buffering agent, Exfoliant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Buffering agentExfoliantHumectantKeratolytic
Empetrum Nigrum Fruit Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hydrolyzed Silk
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agentHumectant
Magnesium Chloride
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Vinegar
Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 1 Ph adjuster
TEA-Lactate
Humectant, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B HumectantSkin conditioning
Yeast Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Mimosa Tenuiflora Bark Extract
Skin protecting, Soothing
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protectingSoothing
Sodium Salicylate
Denaturant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B DenaturantPreservative
Myrtus Communis Extract
Astringent
Limited public safety data.Read moreShow less
EWG N/A Astringent
+ 32 more — see the full ingredients list above
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
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
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad 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
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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Farnesol
Fragrance, Deodorant
Low-to-moderate hazard.Read moreShow less
EWG 4 FragranceDeodorantMaskingSolventSoothing Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 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.

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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