Photo Credit: Beth and Sara Castilano
Identical twins are fascinating to just about everyone, but Olay turned to 21 sets of female twins to prove a point—skin care makes a difference.
The Olay Twins study started with a trip to Twinsberg, Ohio, to find twins aged 20 to 35, who showed equal lines and wrinkles and hyperpigmentation. Not the easiest job explained Laura Goodman, senior scientist at Procter & Gamble, the parent company of Olay. The twins needed equivalent smoking histories, sun exposure, and medical backgrounds to control for all possible variables that could affect the appearance of their skin.
Divided into two groups, nine sets of twins used the Olay Pro-X by Olay Tone Correcting Protocol regimen for