Innisfree Black Tea Youth Enhancing Ampoule vs COSRX The 6 Peptide Skin Booster 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.

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InnisfreeBlack Tea Youth Enhancing AmpouleFull breakdown →
COSRX The 6 Peptide Skin Booster Serum
COSRXThe 6 Peptide Skin Booster SerumFull breakdown →
Innisfree Black Tea Youth Enhancing AmpouleCOSRX The 6 Peptide Skin Booster Serum
StepSerumSerum
Price$34$25
Best landed cost$34$25
Rating★ 4.4 (2,600)★ 4.5 (3,800)
Evidence gradeBB
Korea signal#28 serum · Olive Young Korea (seed)#10 serum · Olive Young Korea (seed)
Hero ingredientsGreen tea, PeptidesPeptides, Niacinamide
Best forAging, DullnessAging, Dullness
Skin typesDry, Normal, CombinationDry, Normal, Combination, Oily
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock
Our read: Evidence grades are equal (B) — so let fit decide: check the skin-type rows above, and if both fit, COSRX The 6 Peptide Skin Booster Serum is the cheaper landed cost over Innisfree Black Tea Youth Enhancing Ampoule.

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.