Vitamin C Lactic 15% Firm & Bright Serum
The Dr. Dennis Gross Skincare Vitamin C Lactic 15% Firm & Bright Serum is a serums, essence, ampoule. Our analysis of its 16 ingredients (8 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to dry skin.
The Dr. Dennis Gross Skincare Vitamin C Lactic 15% Firm & Bright Serum is a serums, essence, ampoule. Our analysis of its 16 ingredients (8 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to 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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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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Dimethyl Isosorbide
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Ricinoleth-40
(Cleansing, Surfactant Cleansing, Surfactant Emulsifying) |
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Aminomethyl Propanol
(Ph Adjuster, Buffering Agent) |
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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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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing) |
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Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial) |
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Morus Alba Fruit Extract
(Antioxidant) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent) |
Good for Oily Skin
Bad for Sensitive Skin
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Adenosine
(Skin Conditioning) |
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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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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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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
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid, Glycolic 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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