SkinCeuticals C E Ferulic® with 15% L-Ascorbic Acid — Efficacy 4.6/5.0, Safety 4.0/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
SkinCeuticals C E Ferulic® with 15% L-Ascorbic Acid

SkinCeuticals C E Ferulic® with 15% L-Ascorbic Acid

SerumAntioxidant Protection
Efficacy
Exceptional
4.6 / 5.0
Safety
Mostly Safe
4.0 / 5.0
System Verdict
Clinically brilliant antioxidant cocktail in a cosmetically mediocre, irritation-prone base. Efficacy is S Tier for antioxidant protection and brightening thanks to 15% L-ascorbic acid + 1% alpha-tocopherol + 0.5% ferulic acid at an optimized low pH (~3.5), but the minimalist solvent-heavy vehicle (water, ethoxydiglycol, propylene glycol, Laureth-23) offers little comfort, raises irritation risk, and gives zero barrier support, keeping the overall formula below a perfect score despite gold-standard actives.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Ascorbic Acid (L-Ascorbic Acid)
A Tier: Good BasicsProven Results
Aqua / Water / EauGlycerinTocopherol (Alpha-Tocopherol)Ferulic AcidPanthenolSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
EthoxydiglycolPropylene GlycolLaureth-23Phenoxyethanol
D Tier: Potential IrritantsBe Cautious
Triethanolamine
Analyze on DemythSkin →

DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.