IOPE Bio Science, Retinol & UV Guide

Build an IOPE routine around one clear goal. IOPE pairs Korean bio-science positioning with practical steps for hydration, visible signs of aging, brightening, and UV care. Browse the IOPE collection.

Start with your primary concern

Hydration and conditioning

Use BIO ESSENCE CONDITIONING after cleansing when you want a lightweight prep step.

Retinol routine

For a focused evening treatment, see Retinol Expert 0.1%. Introduce retinol gradually and follow the product directions.

Uneven tone

The Vitamin C Expert is a targeted brightening option; use sunscreen during the day.

Routine order

  1. Cleanse.
  2. Condition with essence or toner.
  3. Apply one treatment serum.
  4. Moisturize and protect with UV Shield Sun Protector in the morning.

Avoid combining multiple strong actives at once. Patch-test when appropriate and follow the packaging instructions.