Dr. Dennis Gross Skincare Hydra-Pure Vitamin C Brightening Serum
The Dr. Dennis Gross Skincare Hydra-Pure Vitamin C Brightening Serum is a serums, essence, ampoule. Our analysis of its 28 ingredients (25 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Dr. Dennis Gross Skincare Hydra-Pure Vitamin C Brightening Serum is a serums, essence, ampoule. Our analysis of its 28 ingredients (25 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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Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent) |
Silicone
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Cyclomethicone
(Antistatic Agent, Emollient, Hair Conditioning, Humectant, Solvent, Viscosity Controlling) |
Silicone
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Ascorbic Acid (Vitamin C)
(Antioxidant, Fragrance, Ph Adjuster, Skin Conditioning, Buffering Agent, Masking) |
Good for Dry Skin
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Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling) |
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PEG/PPG-18/18 Dimethicone
(Emulsifying) |
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Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning) |
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Sodium Ascorbyl Phosphate
(Antioxidant) |
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Quercetin Caprylate
(Antioxidant, Skin Conditioning, Emollient) |
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
|
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Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient) |
Fungal Acne Trigger
|
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Sodium Chondroitin Sulfate
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
|
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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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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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
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Palmitoyl Oligopeptide
(Skin Conditioning, Sufactant) |
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Pueraria Lobata Root Extract
(Humectant) |
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Salix Nigra (Willow) Bark Extract | |
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Acrylates/Carbamate Copolymer
(Hair Conditioning, 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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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
|
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Pentasodium Pentetate
(Chelating Agent) |
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Phytic Acid
(Chelating Agent, Oral Care Agent) |
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Potassium Citrate
(Buffering Agent, Chelating Agent, Ph Adjuster) |
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Potassium Gluconate
(Chelating Agent, Skin Protecting) |
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Tetrasodium EDTA
(Chelating Agent) |
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Water
(Solvent) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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 (Vitamin C), Sodium Ascorbyl Phosphate, Ascorbyl Palmitate
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
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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