Vacation Vitamin C Serum, with a potent 10% concentration of Vitamin C in a 30ml bottle, effectively fades dark spots and treats hyperpigmentation. Achieve a brighter, more even complexion with this powerful formula designed to revitalize your skin. Vacation Vitamin C Serum, with a potent 10% concentration of Vitamin C in a 30ml bottle, effectively fades dark spots and treats hyperpigmentation. Achieve a brighter, more even complexion with this powerful formula designed to revitalize your skin.