Spec-by-spec

Head to head

Contenders from Vitamin C Serums, every metric lined up. The winning value in each row is outlined.

Price

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Rating

★★★★★

Category rank

Active Potency

Sodium Ascorbyl Phosphate (stable, gentler derivative)

Ascorbic acid, concentration not disclosed

15% L-ascorbic acid — gold-standard

Formula Stability

Stable SAP form; glass bottle with dropper (fair oxidation resistance)

Dropper bottle; moderate oxidation resistance with botanical oils

Cold-stored, opaque bottle, good oxidation resistance

Gentleness & Tolerability

Well-tolerated; suits sensitive skin; minimal irritation reports

Well-tolerated for most; retinol + C may irritate sensitive skin

Formulated for sensitive skin, low irritation reports

Supporting Actives

Vitamin E + HA + aloe + jojoba (no ferulic acid)

Multi-active with retinol, niacinamide, HA, squalane—synergistic but complex

C + E + ferulic (clinical synergy)

Value (Cost per oz)

~$10/oz Prime pricing; excellent drugstore value

$16.99 per fl oz—excellent drugstore value

$31.90/oz (mid-range, good value)

Brightening & Dark-Spot Fading

Visible brightening in 2–4 weeks

Strong community reports of visible brightening and tone evening

Visible brightening & even tone (1.7M+ reviews)

Verdict

Best-value vitamin C serum for sensitive skin

Best-selling affordable multi-active vitamin C serum

Gold-standard C+E+ferulic at drugstore value — dermatologist-trusted favorite.

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