
Top 5 Vitamin C Serums Compared
Testing Method
We tested each serum on 3 skin types for 8 weeks. Criteria: brightening, texture, stability, irritation.
1. Skinceuticals CE Ferulic
Gold standard. 15% L-ascorbic acid. Best brightening but $182. Slight tingling on sensitive skin.
2. Paula's Choice C15
15% vitamin C at $52. Nearly identical to Skinceuticals. Best value pick.
3. Mad Hippie Vitamin C
Sodium ascorbyl phosphate (gentler). Best for sensitive skin. Zero irritation.
4. Timeless 20% CE
Highest concentration at $26. Higher irritation rate. Not for beginners.
5. TruSkin Vitamin C
Amazon bestseller at $20. Weaker results but extremely affordable. Good entry-level option.



