Castanaïs is an artisan brand from Ardèche, France, bringing the region’s chestnut heritage into skincare and gourmet products. Its cosmetics are made in an Ardèche laboratory and feature flour from AOP Ardèche chestnuts, an ingredient the brand produces and uses as the foundation of its dermo-nutrition approach. The range includes high-end face and body care, with chestnut creams presented as gentle options for sensitive skin. Castanaïs describes its cosmetics as organic, natural, carefully crafted and designed to nourish and soothe the skin.

Alongside skincare, the brand offers a selection of regional food products, including chestnut flour, chestnuts, and artisanal honey. Its offering reflects a focus on local ingredients, simple formulations and artisanal production, while connecting everyday beauty and food to the character of Ardèche. Customers can explore the products and learn about the brand’s history and commitments through its online store, which also shares news and promotions by newsletter. Castanaïs ships to customers in France and other European countries, with free delivery on orders over €50.