Fx C-Clarifying Serum
The Obagi Fx C-Clarifying Serum is a serums, essence, ampoule. Our analysis of its 8 ingredients (6 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.
The Obagi Fx C-Clarifying Serum is a serums, essence, ampoule. Our analysis of its 8 ingredients (6 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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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Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
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Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling) |
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Arbutin
(Antioxidant, Skin Conditioning) |
Good for Dry Skin
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Propylene Carbonate
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Sodium Lauryl Sulfate
(Cleansing, Denaturant, Emulsifying, Foaming, Surfactant) |
Bad for Oily Skin
Sulfate
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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.
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
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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