Health food was kind of Swanson's thing and her skin reaped the benefits. "My best beauty secret is raw vegetables," Swanson told Weekly World News. "I apply them on my face and make sure I eat them regularly. As far as I'm concerned, there is no beauty product better than raw vegetables."
Bergman notoriously took an au naturale approach to beauty, only wearing a significant amount of makeup if required for a role, but she did shave a centimeter off of her hairline (not an unpopular grooming technique of the time) for a larger forehead.
Loren followed a Mediterranean diet religiously, which meant she always had a bottle of olive oil at arm's length. She kept her skin soft and luminous by soaking in a hot bath with a few splashes of oil.
Over the course of her career, Grahame was self-conscious of her upper lip, which she felt was too thin. She would stuff cotton or wads of tissue between her lip and teeth for a plumper look. As if kissing scenes weren't awkward enough...
To this day, we wax poetic about Bette Davis eyes. She kept them looking bright by applying cucumbers to her lids at night and and using petroleum jelly under the eyes to combat dark circles.