Blue Algae Vitamin C Skinclarity Brightening Serum
The Algenist Blue Algae Vitamin C Skinclarity Brightening Serum is a serums, essence, ampoule. Our analysis of its 40 ingredients (26 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Algenist Blue Algae Vitamin C Skinclarity Brightening Serum is a serums, essence, ampoule. Our analysis of its 40 ingredients (26 low-risk) rates it Excellent (96/100). 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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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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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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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Triheptanoin
(Viscosity Increasing Agent, Skin Conditioning, Surfactant, Viscosity Controlling) |
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Pseudoalteromonas Ferment Extract
(Humectant) |
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C13-15 Alkane
(Solvent) |
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Parachlorella Beijerinckii Exopolysaccharides
(Film Forming, Skin Protecting) |
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Biosaccharide Gum-1
(Skin Conditioning) |
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Bakuchiol
(Cosmetic Biocide, Antimicrobial) |
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Beta Vulgaris Root Extract
(Skin Conditioning) |
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Hydrolyzed Corn Starch
(Binding, Humectant, Skin Conditioning, Viscosity Controlling) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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Melia Azadirachta Leaf Extract
(Antimicrobial, Skin Protecting) |
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Melia Azadirachta Flower Extract
(Skin Conditioning) |
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Corallina Officinalis Extract
(Skin Conditioning) |
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Coccinia Indica Fruit Extract
(Skin Conditioning) |
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Solanum Melongena Fruit Extract
(Skin Conditioning) |
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Aloe Barbadensis Flower Extract
(Emollient, Skin Conditioning) |
Good for Sensitive Skin
|
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SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
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Curcuma Longa Root Extract
(Fragrance, Perfuming) |
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Ocimum Basilicum Flower/Leaf Extract
(Tonic) |
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Ocimum Sanctum Leaf Extract
(Skin Conditioning) |
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Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative) |
Good for Oily Skin
Bad for Sensitive Skin
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Sodium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling) |
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Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking) |
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Hemocyanin
(Anti Sebum, Antimicrobial) |
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lavandula angustifolia oil
(Fragrance, Tonic) |
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Tanacetum Vulgare Extract
(Skin Conditioning) |
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Tetrasodium Glutamate Diacetate
(Chelating Agent) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Sodium Salicylate
(Denaturant, Preservative) |
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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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
Contains ingredients some choose to avoid or double-check while pregnant or nursing.
Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.
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.
The concentrations these actives are typically effective at in research — not a measurement of this product.
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
Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.
Salicylic 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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