The Bakuchiol Purple Serum
The 3INA The Bakuchiol Purple Serum is a serums, essence, ampoule. Our analysis of its 23 ingredients (19 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The 3INA The Bakuchiol Purple Serum is a serums, essence, ampoule. Our analysis of its 23 ingredients (19 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive 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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PEG-8 Caprylic/Capric Glycerides
(Emulsifying) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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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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Olive Oil PEG-8 Esters
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, 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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Bakuchiol
(Cosmetic Biocide, Antimicrobial) |
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Inulin
(Humectant, Skin Conditioning) |
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Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling) |
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Boswellia Serrata Gum
(Film Forming, Masking, Perfuming, Skin Conditioning, Tonic) |
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PARFUM
(Fragrance, Perfuming) |
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Aloe Barbadensis Leaf Juice Powder
(Skin Conditioning) |
Good for Sensitive Skin
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Tetrasodium Glutamate Diacetate
(Chelating Agent) |
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Alpha-Glucan Oligosaccharide
(Cleansing, Skin Conditioning, Smoothing) |
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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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Avena sativa Kernel Extract
(Abrasive, Antioxidant, Skin Conditioning, Skin Conditioning Emollient) |
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Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Acetyl Hexapeptide-8
(Humectant, Skin Conditioning) |
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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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