Spec-by-spec
Head to head
Contenders from Vitamin C Serums, every metric lined up. The winning value in each row is outlined.
Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#1
#38
Active Potency
Sodium Ascorbyl Phosphate (stable, gentler derivative)
Not disclosed—likely modest %
Formula Stability
Stable SAP form; glass bottle with dropper (fair oxidation resistance)
Standard dropper; oxidation risk moderate
Gentleness & Tolerability
Well-tolerated; suits sensitive skin; minimal irritation reports
Marketed for all skin types; irritation reports not tracked
Supporting Actives
Vitamin E + HA + aloe + jojoba (no ferulic acid)
Collagen only; lacks E, ferulic, HA
Value (Cost per oz)
~$10/oz Prime pricing; excellent drugstore value
$5.91/oz sale price—excellent
Brightening & Dark-Spot Fading
Visible brightening in 2–4 weeks
All-in-one claims; real-world data sparse
Verdict
Best-value vitamin C serum for sensitive skin
Best-value K-beauty vitamin C serum
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