IOPE Retinol Expert 0.3% 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.

IOPE Retinol Expert 0.3%
IOPERetinol Expert 0.3%Full breakdown →
IOPE Retinol Expert 0.1%
IOPERetinol Expert 0.1%Full breakdown →
IOPE Retinol Expert 0.3%IOPE Retinol Expert 0.1%
StepSerumSerum
Price$120$42
Best landed cost$125.99$46.10
Rating★ 4.5 (500)★ 4.5 (3,400)
Evidence gradeAA
Korea signal#8 serum · Olive Young Korea (seed)
Hero ingredientsRetinolRetinol, Adenosine
Best forAging, TextureAging, Texture
Skin typesNormal, Combination, Dry, OilyNormal, Dry, Combination
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock✗ import only
Our read: Evidence grades are equal (A) — so let fit decide: check the skin-type rows above, and if both fit, IOPE Retinol Expert 0.1% is the cheaper landed cost over IOPE Retinol Expert 0.3%.

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.