Regular Isavia skin care products do not contain hormones. Isavia is a professional cosmetics brand in France. Its skin care products are mainly plant-based and natural ingredients, and are maintained and treated through scientific and technological means. Some Ishavi skin care products may contain alcohol components, such as hexanol and phenylethanol. These alcohol components are used as preservatives in cosmetics production, but may cause allergic problems for some people.

Isavia is a French professional skin care brand, founded in 1959 and headquartered in Laguerre, Brittany, France. Yves Roche, the founder of the brand, is a botanist and entrepreneur. He loves nature and plants, devotes himself to the study of plant restoration and care, discovers many secrets of natural skin care and treatment, and develops a series of famous skin care products by natural methods.