The largest study on the subject was published in 2008 by a team of dermatologists and obstetricians. It followed 175 women in their first pregnancies, some randomly assigned to apply a cocoa butter lotion each day and others assigned to use a placebo. Neither the subjects nor the researchers knew who was using which treatment. After many months, the researchers found no difference in the development or severity of marks, known medically as striae, over the abdomen, breasts or thighs.
The piece suggests Vitamin E as an effective alternative. What's your opinion?