Timeless Skin Care 20% Vitamin C + E + Ferulic Acid Serum — Efficacy 4.6/5.0, Safety 4.3/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
Timeless Skin Care 20% Vitamin C + E + Ferulic Acid Serum

Timeless Skin Care 20% Vitamin C + E + Ferulic Acid Serum

SerumBrightening
Efficacy
Exceptional
4.6 / 5.0
Safety
Safe
4.3 / 5.0
System Verdict
This is a clinically strong, no-frills vitamin C workhorse with excellent science and a slightly aggressive, low‑pH bite. The formula hits an S Tier antioxidant trifecta (20% L-ascorbic acid + vitamin E + ferulic acid) at an optimally low pH ~2.4, so efficacy for brightening, photoprotection, and collagen support is high, but the very low pH and simple humectant base keep the overall score below “perfect” due to potential sting for sensitive or compromised barriers.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
L-Ascorbic Acid
A Tier: Good BasicsProven Results
WaterAlpha TocopherolPanthenolFerulic AcidSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
EthoxydiglycolPropylene GlycolPolysorbate 80Dehydroacetic Acid
D Tier: Potential IrritantsBe Cautious
Benzyl Alcohol
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.