Dr. Althea Vitamin C Boosting Serum vs Torriden CELLMAZING Vita-C Brightening Ampoule

Same shelf, different answers — here's the whole picture in one table. Click either product for full ingredient decode, skin-twin reviews and every retailer's landed cost.

Dr. Althea Vitamin C Boosting Serum
Dr. Althea — Vitamin C Boosting SerumFull breakdown →
Torriden CELLMAZING Vita-C Brightening Ampoule
Torriden — CELLMAZING Vita-C Brightening AmpouleFull breakdown →
Dr. Althea Vitamin C Boosting SerumTorriden CELLMAZING Vita-C Brightening Ampoule
StepSerumSerum
Price$24$25
Best landed cost$24$24
Rating★ 4.3 (1,400)★ 4.4 (1,800)
Evidence gradeCB
Korea signal#52 serum · Olive Young Korea (seed)#31 serum · Olive Young Korea (seed)
Hero ingredientsVitamin C, NiacinamideVitamin C, Niacinamide
Best forDullness, Dark spots (PIH)Dullness, Dark spots (PIH)
Skin typesNormal, Combination, DryNormal, Combination, Dry
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free✓✓
Fungal-acne safe✗✗
US stock✓✓
Our read: Torriden CELLMAZING Vita-C Brightening Ampoule carries the stronger evidence grade (B); Dr. Althea Vitamin C Boosting Serum wins on landed cost. If your concerns match both, evidence is the tiebreaker we'd use.

Prices and rankings are seed data pending weekly verification. Take the 60-second quiz and both products get a personal match score on their pages.