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SkinCeuticals · Serums

C E Ferulic

$185·30 ml·Leave-on
89
Low concern

Why this score

Concern52 / 55
  • No ingredients carry meaningful, evidence-backed concern.

How much genuine, cited concern the ingredients carry, weighted by how much of each is likely present and whether the product stays on or rinses off.

Transparency20 / 20
  • No hidden fragrance blend.

Whether the full ingredient list, and any fragrance, are actually disclosed.

Formulation restraint17 / 25
  • 1 known irritant or fragrance-allergen ingredient: Vitamin C.

Needless irritant or allergen load for the product type. A clean, purposeful formula scores well without any "free-from" theater.

Scored by PlainBody Editorial against the PlainScore method · Label checked July 2026

What’s inside

WaterGenerally safe

The base most products are built on. It carries the other ingredients and has no safety concern.

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EthoxydiglycolGenerally safe

A glycol-based humectant and solvent widely used in rinse-off and leave-on cosmetics. Published safety assessments find it well tolerated at the concentrations used in cosmetic formulations.

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Vitamin CWatch if sensitive

The most well-studied form of topical vitamin C, used as an antioxidant and to support collagen signaling and brighten uneven tone. It is acidic and can sting or irritate sensitive skin, and it oxidizes readily once a bottle is opened, which can reduce its effectiveness rather than create a safety issue.

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GlycerinGenerally safe

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

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Propylene GlycolCommonly feared, low concern

A small humectant and solvent molecule that helps other ingredients dissolve and helps skin hold water. It is one of the most studied cosmetic ingredients and is considered safe at the concentrations used in personal care products.

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Laureth-7Generally safe

A polyethylene glycol ether of lauryl alcohol, used as a mild surfactant and emulsifier in cleansers and other rinse-off products. CIR assessments support the safety of laureth surfactants in cosmetics, and they are often chosen for their mildness.

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PhenoxyethanolCommonly feared, low concern

A widely used preservative, safe at the legal limit of 1% or less. Often the "paraben-free" replacement.

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Vitamin EGenerally safe

An antioxidant that helps protect a formula and condition skin. Well tolerated.

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TriethanolamineGenerally safe

A pH buffer that neutralizes acidic ingredients to maintain a skin-compatible formulation pH. Decades of safety data and modern manufacturing practices support its use at cosmetic concentrations.

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Ferulic AcidGenerally safe

A plant-derived antioxidant found in seeds and grains, used in cosmetics to protect against free-radical damage. Published safety assessments grade it low-concern and it is generally well tolerated across skin types.

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PanthenolGenerally safe

A soothing humectant that helps skin and hair look conditioned. Very well tolerated.

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Hyaluronic AcidGenerally safe

A humectant that holds water at the skin surface for a more hydrated look. No safety concern.

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Lower-concern alternatives

Same category, higher PlainScore.

Cosmetic information for general education, not medical advice. Concern ratings are evidence-graded and cited on each ingredient page. See how we score.