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TruSkin
TruSkin Vitamin C Serum
A budget-accessible vitamin C serum — worth checking the ingredient list for stabilizers like ferulic acid, since pure L-ascorbic acid degrades quickly once opened.
Uses sodium ascorbyl phosphate, a more stable but generally gentler vitamin C derivative — a reasonable choice for sensitive skin that reacts to pure L-ascorbic acid.
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Best for
Best for sensitive skin wanting vitamin C's antioxidant and brightening benefits without the higher irritation potential of pure L-ascorbic acid.
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Key Ingredients
Sodium Ascorbyl PhosphateFerulic AcidVitamin E
What We Like
- Contains Sodium Ascorbyl Phosphate for stable, gentle vitamin c derivative; Ferulic Acid for antioxidant support
- Affordable price point — accessible for most budgets
- Backed by research-supported active ingredients
Things to Consider
- Mid-range price — more affordable options exist
- Results require consistent use over several weeks
Our Verdict
Mad Hippie Vitamin C Serum is an affordable option from Mad Hippie that delivers solid value for sensitive skin wanting vitamin C's antioxidant and brightening benefits without the higher irritation potential of pure L-ascorbic acid. The inclusion of Sodium Ascorbyl Phosphate provides stable, gentle vitamin c derivative. Best suited for sensitive skin wanting vitamin C's antioxidant and brightening benefits without the higher irritation potential of pure L-ascorbic acid.
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Based on a Duke University patent combining 15% L-ascorbic acid with vitamin E and ferulic acid at a specific pH — widely cited as the benchmark formulation in vitamin C research.
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Frequently compared to SkinCeuticals C E Ferulic for a fraction of the price — a useful case study in how formulation science, not just brand name, drives efficacy.