SkinCeuticalsserumpH 2.8 – 3.2 • $182.00 (30ml)

SkinCeuticals C E Ferulic Combination Antioxidant Treatment

Duke-patented benchmark antioxidant serum clinically demonstrated to neutralize solar free radicals, prevent lipid peroxidation, and double endogenous photoprotection.

Obstetric SafetyPermitted & Safe

Based on ACOG and dermatological consensus, C E Ferulic Combination Antioxidant Treatment contains non-systemic epidermal actives considered compatible throughout pregnancy and lactation.

Always confirm with your OB-GYN.
Malassezia (Fungal Acne)✓ Fungal Acne Safe

Contains zero lipid esters or fatty acid chains that feed Malassezia yeast.

Safe for pityrosporum folliculitis? Yes
Viscosity Application OrderStep 3 of 7 • AM

Texture: Aqueous Acidic Liquid Antioxidant. Apply strictly in order of thinnest water to thickest cream.

pH: 2.8 – 3.2
Formulation BalancePotent / Active-Heavy

6 Actives • 6 Functional • 0 Watchlist

12 Total Ingredients

Layering Protocol: What NOT to Mix With This Bottle

Avoid Concurrent Application With:
  • ✕Retinoids in AM
  • ✕AHA / BHA chemical peels concurrently
Recommended Synergistic Pairings:
  • ✓Broad-Spectrum Mineral Sunscreen SPF 50+
  • ✓Hyaluronic Acid
Want to test this bottle with another specific product on your shelf?Open Active Conflict Matrix→

Full INCI Ingredient Declaration

Decoded using Miko's pharmacological database (12 ingredients detected).

Zero Chemophobia • Evidence-Based
Purified Water (Aqua)(Aqua / Water / Eau)Base & Solvent

Deionized, ultra-purified solvent that serves as the delivery vehicle for hydrophilic actives and humectants.

neutralPore: 0/5
EthoxydiglycolBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
L-Ascorbic Acid (Pure Vit C)(Ascorbic Acid)Antioxidant

Direct biological antioxidant that quenches reactive oxygen species (ROS), suppresses MMP collagen breakdown, and brightens tone.

goodPore: 0/5
GlycerinHumectant

Master humectant that coordinates with cutaneous aquaporin-3 channels to maintain physiological stratum corneum hydration and plasticity.

goodPore: 0/5
Glycol / Propanediol Solvent(Propylene Glycol)Base & Solvent

Multifunctional diol that dissolves active ingredients, improves spreadability, and acts as a lightweight humectant.

neutralPore: 0/5
Laureth-23Base & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Broad-Spectrum Preservative System(Phenoxyethanol)Preservative & Chelator

Essential preservation agent preventing dangerous Pseudomonas, Staphylococcus, and mold growth in aqueous skincare formulations.

neutralPore: 0/5
Tocopherol (Vitamin E)(Tocopherol)Antioxidant

Shields stratum corneum lipid bilayers from lipid peroxidation and synergizes directly with Vitamin C to regenerate antioxidant capacity.

goodPore: 2/5
TriethanolamineBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Ferulic AcidAntioxidant

Plant phenolic acid that doubles the photoprotective and chemical stability profile of pure L-ascorbic acid and tocopherol.

goodPore: 0/5
Panthenol (Provitamin B5)(Panthenol)Soothing

Enzymatically converts to coenzyme A in the skin, driving lipid biosynthesis, relieving pruritus (itching), and accelerating barrier repair.

goodPore: 0/5
Hyaluronic Acid / Sodium Hyaluronate(Sodium Hyaluronate)Humectant

Endogenous glycosaminoglycan that captures water molecules and plumps fine surface dehydration lines in the stratum corneum.

goodPore: 0/5
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