Celimax The Vita A Retinol Shot Tightening Serum vs IOPE Retinol Expert 0.1%

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.

Celimax The Vita A Retinol Shot Tightening Serum
CelimaxThe Vita A Retinol Shot Tightening SerumFull breakdown →
IOPE Retinol Expert 0.1%
IOPERetinol Expert 0.1%Full breakdown →
Celimax The Vita A Retinol Shot Tightening SerumIOPE Retinol Expert 0.1%
StepSerumSerum
Price$27$42
Best landed cost$32.99$46.10
Rating★ 4.9 (40)★ 4.5 (3,400)
Evidence gradeBA
Korea signal#8 serum · Olive Young Korea (seed)
Hero ingredientsRetinolRetinol, Adenosine
Best forAging, TextureAging, Texture
Skin typesNormal, Combination, OilyNormal, Dry, Combination
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock✗ import only
Our read: IOPE Retinol Expert 0.1% carries the stronger evidence grade (A); Celimax The Vita A Retinol Shot Tightening 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.