Acne Defense Daily Treatment Serum
The Merle Norman Acne Defense Daily Treatment Serum is a serums, essence, ampoule. Our analysis of its 9 ingredients (8 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Merle Norman Acne Defense Daily Treatment Serum is a serums, essence, ampoule. Our analysis of its 9 ingredients (8 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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Benzoyl Peroxide
(Antiacne Agent, Oxidising Agent) |
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Water
(Solvent) |
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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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Isopropyl Myristate
(Binding Agent, Fragrance, Skin Conditioning, Emollient, Binding, Perfuming, Solvent) |
Bad for Oily Skin
Fungal Acne Trigger
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding) |
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C13-14 Isoparaffin
(Emollient, Solvent) |
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Laureth-7
(Emulsifying, Surfactant) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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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.
Often considered acceptable for limited spot use, but many clinicians prefer you check first.
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.
Lower strengths (2.5–5%) work about as well as 10% for many people, with less dryness and irritation.
Benzoyl Peroxide
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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