The Kat Burki Biocell Correcting Serum is a luxurious skincare product formulated to provide hydration, correct dark spots, diminish wrinkles, and firm the skin. With a volume of 30ml, this serum is suitable for all skin types and can be applied to the decollete, neck, and face. Made in the United States, this product is designed to last for 12 months after opening, making it a valuable addition to any skincare routine for those looking to improve their complexion and reduce signs of aging.