COSRX The Vitamin C 23 Serum vs Goodal Green Tangerine Vita C Dark Spot Serum

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.

COSRX The Vitamin C 23 Serum
COSRXThe Vitamin C 23 SerumFull breakdown →
Goodal Green Tangerine Vita C Dark Spot Serum
GoodalGreen Tangerine Vita C Dark Spot SerumFull breakdown →
COSRX The Vitamin C 23 SerumGoodal Green Tangerine Vita C Dark Spot Serum
StepSerumSerum
Price$25$20
Best landed cost$25$20
Rating★ 4.4 (6,200)★ 4.4 (5,230)
Evidence gradeAB
Korea signal#6 serum · Olive Young Korea (seed)#8 serum · Olive Young Korea
Hero ingredientsVitamin C, Vitamin EGreen tangerine extract 70%, Vitamin C derivative
Best forDark spots (PIH), Dullness, AgingDark spots (PIH), Dullness
Skin typesNormal, Combination, OilyNormal, Combination, Dry, Oily
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock
Our read: COSRX The Vitamin C 23 Serum carries the stronger evidence grade (A); Goodal Green Tangerine Vita C Dark Spot 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.