The cover of 'The Botox Diaries' features two women, one on the left and one on the right, both dressed in modern, stylish clothing. The woman on the left is wearing a black dress with a white stripe and holding a handbag, while the woman on the right is wearing a blue dress with a yellow skirt and holding a smartphone. The background is a red curtain, and the title of the book is prominently displayed in white, stylized letters.