With Kiehl's Vital Skin-Strengthening Super Serum you can protect your skin from daily stressors and signs of premature skin aging. The skin-strengthening serum from the Facial Oils & Serums range penetrates particularly deeply into the skin with the help of 11kDa hyaluronic acid and an adaptive herbal complex and immediately reduces wrinkles as well as pale and dull skin. It neutralises stressors that cause skin aging and visibly revitalises skin. Furthermore, the serum has a strengthening effect, and the skin can better defend itself against external factors such as stress, nutrition, temperature, lack of sleep, environmental pollution and sunlight. But that is not all! The serum reduces fine lines and wrinkles, makes skin more resilient and ensures that skin looks radiant and healthy – day after day. Thanks to gentle active ingredients, Skin-Strengthening Super Serum is suitable for all skin types – even sensitive skin.How to apply the Vital Skin-Strengthening Super Serum from Kiehl’sApply the serum to clean, dry skin on the face and neck after cleansing in the morning and evening. Avoid contact with eyes. If the serum gets into the eyes, rinse them immediately.