Was cate blanchett enhanced to look so young in 'benjamin button'?

In "The Curious Case of Benjamin Button," Cate Blanchett's youthful appearance was achieved primarily through makeup, lighting, and digital effects rather than physical enhancements. The film utilized advanced visual effects technology to create the illusion of aging and de-aging for the characters, allowing Blanchett to portray both a younger and older version of her character seamlessly. While she may have undergone some traditional makeup techniques, the digital enhancements played a significant role in achieving her youthful look.