Research
This article from Harvard University discusses the Benefits of Vitamin D and why it's a global concern. Being “D-ficient” may increase the risk of a host of chronic diseases, such as osteoporosis, heart disease, some cancers, and multiple sclerosis, as well as infectious diseases, such as tuberculosis and even the seasonal flu.
http://www.hsph.harvard.edu/
A randomized, double-blind, controlled trial concluded that the use of rose hip oil in this study is proved to be effective in reducing severity of the stretch marks during pregnancy, prevents the appearance of new stretch marks and halts progression of those already present. In women who had no stretch marks at baseline, use of the anti-stretch mark cream was more effective than placebo in preventing new stretch marks.
Want to know why we have chose these natural plant oils as the foundation for our skincare products? They are well researched and proven to your skin. Below is a great scientific paper that describes these many details.
https://www.mdpi.com/1422-0067/19/1/70/htm