The Trend Verdict
Spec-by-spec

Head to head

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

TruSkin Vitamin C Serum 1 fl oz TruSkin Vitamin C Serum 1 fl oz #3 in Vitamin C Serums
Buy on Amazon →
Sunday Riley C.E.O. 15% Vitamin C Serum with Phytosterols Sunday Riley C.E.O. 15% Vitamin C Serum with Phytosterols #35 in Vitamin C Serums
Buy on Amazon →
Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#35
Active Potency
L-Ascorbic Acid with E + Ferulic
15% THD Ascorbate
Formula Stability
Good but prone to oxidation
Opaque glass bottle, stable formula
Gentleness & Tolerability
Mild stinging on sensitive skin
Gentle, soothing; suits sensitive skin
Supporting Actives
C + E + Ferulic + Hyaluronic
Phytosterols (anti-inflammatory, not C+E+ferulic)
Value (Cost per oz)
$14.99 per oz on sale
$51–85/oz (premium pricing)
Brightening & Dark-Spot Fading
Visible fading in 4-6 weeks
Visible brightening & even tone
Verdict
Best-selling value vitamin C serum
Premium C serum for sensitive skin — prestige brightening with redness relief.

Affiliate link — we may earn a commission