Created in 1954, pioneer in the realm of phyto-aromatic treatments and rich with international experience, YonKa provides your skin with the most precious part of plants: their revitalizing essential oils full of solar energy and complementary active ingredients - vitamins, fruit acids, polyphenols, peptides, oligoelements. Synergy which acts with precision, kindness and effectiveness for the specific needs of the most demanding skin types.

As an undisputed leader in dermo-corrective skincare solutions, G.M. COLLIN creates all products with the continuous goal of providing state-of-the-art product formulations.

For the past 65 years, G.M. COLLIN has continued its tradition of excellence and innovation with the mission of providing the opportunity for everyone to discover both their unique beauty and absolute self-confidence.