Atopivet Collar is the first and only product for supporting the epidermal barrier with a delayed effect of up to 2 months. It is a dermatological product for dogs and cats, which helps maintain the integrity of healthy skin while nourishing and repairing it. It is waterproof and does not require removal during bathing. The black color of the collar helps protect the active substance. The main ingredient, BIOSFEEN, is a patented compound by Bioiberica with a high content of sphingomyelins/ceramides of animal origin - molecules with a structural and chemical mediator role in the epidermis. It is homogeneously integrated throughout the polymer structure and is slowly released by diffusion depending on the concentration gradient. Thus, this easy-to-use collar protects and repairs the skin, hydrates it and helps to improve symptoms of excessive scratching. Benefits: The first and only product to support the epidermal barrier with a delayed effect of up to 2 months. BIOSFEEN as the main ingredient - a unique sphingolipid extract, which has ceramides and a high content of sphingomyelin, a precursor of ceramides; thus Biosfeen increases ceramide levels naturally, stimulating their endogenous synthesis Helps maintain skin integrity; Helps relieve itching (excessive scratching). Repairs the skin barrier and moisturizes the skin. Protects the skin for 2 months. It is waterproof and does not require removal during bathing. It can be used together with other products. Atopivet collar Cats & Small dogs is recommended for cats and dogs weighing under 10 kg, over 4 months of age. It is effective for 2 months.