The Dr.Davey Dark Knuckle Whitening 3x White Serum is a daily use skincare product formulated for all skin types, particularly designed to target dark spots on the hands. With a volume of 1 fl oz and a 12-month period after opening, this herbal-scented serum from Dr.Davey offers minimal UVA protection, making it suitable for brightening and lightening the appearance of darkened areas. Perfect for those looking to achieve a more even skin tone and a brighter complexion on their hands.