Dr. Althea Vitamin C Boosting Serum vs Medicube Deep Vita C 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. AltheaVitamin C Boosting SerumFull breakdown →
Medicube Deep Vita C Ampoule
MedicubeDeep Vita C AmpouleFull breakdown →
Dr. Althea Vitamin C Boosting SerumMedicube Deep Vita C Ampoule
StepSerumSerum
Price$24$25
Best landed cost$24$25
Rating★ 4.3 (1,400)★ 4.4 (2,800)
Evidence gradeCB
Korea signal#52 serum · Olive Young Korea (seed)#42 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, Oily
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock
Our read: Medicube Deep Vita C 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.