RETINOL-LIKE BI-SERUM

RETINOL RESULTS WITHOUT COMPROMISING YOUR SKIN BARRIER

Reveal visibly renewed skin with uncompromising comfort

The Science Behind Visible Renewal

This serum is formulated to target both the surface and deeper layers of the skin.
It delivered high performance while protecting the skin barrier


A TARGETED RESPONSE, INSPIRED BY SCIENCE

A Multi-action from the skin surface to the core of cutaneous mechanisms for optimized renewal.

BI-PHASE POWER

A two-phase system designed to
amplify results

RETINOL-LIKE DUAL SYNERGY

Two advanced retinol-like actives work in synergy to reactivate skin renewal and visibly improve skin microrelief.

Supporting Ingredients. One Powerful Solution

Clinically Observed, Visibly Felt

From the first application, skin appears visibly renewed.

    Skin texture appears 2x finer

    92% report smoother, softer skin

    9/10 observe refined pores

    8/10 report deep wrinkles appear filled

    8/10 report younger-looking skin

    Effective across 100% of wrinkle types tested

    Mastering the Yon-Ka Retinol Duo Ritual

    1.Tested under dermatological control – Twice-daily application on 24 women - 46 to 70 years old - All skin types including sensitive skin: Self-scoring under dermatological control – % variation at Day 56 versus Day 0. 92% satisfaction at Day 56. Significant self-assessment results on 100% of the wrinkle types evaluated at Day 56.

    *Tested under dermatological control - Twice-daily application on 24 women - 46 to 70 years old - all skin types including sensitive skin – Wrinkles: Significant self-assessment results on 100% of the wrinkle types evaluated at Day 56. Skin texture: self-scoring under dermatological control – % variation at Day 56 versus Day 0 - Pores: Self-assessment result - 63% satisfaction - Immediate result. Comfort : 100% satisfaction - Immediate result.