Yon-KaYon-ka Created in 1954, pioneer in the realm of phyto-aromatic treatments and rich with international experience, Yon-ka provides your skin with the most precious part of the 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.