Complexe Royal Light Boosting Elixir
The Biologique Recherche Complexe Royal Light Boosting Elixir is a serums, essence, ampoule. Our analysis of its 27 ingredients (20 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Biologique Recherche Complexe Royal Light Boosting Elixir is a serums, essence, ampoule. Our analysis of its 27 ingredients (20 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling) |
Good for Dry Skin
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
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Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
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Cucumis Sativus Fruit Extract
(Skin Conditioning, Skin Conditioning Emollient) |
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Gluconolactone
(Fragrance, Humectant, Solvent) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
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Vinegar
(Ph Adjuster) |
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Yeast Extract
(Skin Conditioning) |
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Honey Extract
(Humectant, Skin Conditioning, Moisturising) |
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Hamamelis Virginiana Bark/Leaf/Twig Extract
(Skin Conditioning) |
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Royal Jelly Extract
(Skin Conditioning) |
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Hypericum Perforatum Flower/Leaf/Stem Extract
(Skin Conditioning) |
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Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning) |
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Allantoin
(Skin Conditioning, Skin Protecting, Soothing) |
Good for Oily Skin
Good for Sensitive Skin
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Thiamine HCl
(Masking, Skin Conditioning) |
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Pyridoxine HCl
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
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Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant) |
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TEA-Lactate
(Humectant, Skin Conditioning) |
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Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
|
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Potassium Sorbate
(Fragrance, Preservative) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
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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