Avocados have a reputation for being a health food, packed with healthy fats that are good for heart health and brain function. In my personal research, I found an abundance of information stating that avocados are good for your health. For example, an article from the Harvard T.H. Chan School of Public Health states "Avocados contain several nutrients including carotenoids, monounsaturated fats, potassium, and fiber that have been associated with a reduced risk of chronic diseases." Furthermore, the article states that the carotenoids in avocados can help protect your eyes from ultraviolet light and can help prevent cataracts (Harvard University). In terms of skin, a recent study conducted through a collaboration at the UCLA Center for Human Nutrition and the David Geffen School of Medicine at UCLA concluded that avocado consumption was show to increase skin elasticity and firmness.
The article posted here is a blog. The hyperlinks just take you to other blog pages written by the same woman: Kristina Cadwell. She has experience in the field, and most of her claims correlate with the information I found through my own research. However, her claim that "avocado applied topically and consumed can help enhance skin elasticity, reduce UV-induced photoaging, and improve skin health" (Cadwell). When speaking of avocado applied topically, she is referring to avocado oil. I struggled to find many other scholarly sources that supported this claim. An article from UCLA health recaps a study done by Dr. Zhaoping Li, chief of the division of clinical nutrition at UCLA. In the study, a group of women age 27 to 73 with matching skin types were assigned to eat one avocado daily or to continue their normal diet for eight weeks. By the end of the experiment, the group of women who had eaten an avocado daily had increased skin elasticity and firmness. Li explains that beauty starts internally, stating "What you put inside your body is going to have a great effect on the outside of your body," so while topicals may be effective, consume the product for best results (UCLA).
Sources:
https://www.uclahealth.org/news/article/eating-an-avocado-daily-increases-elasticity-and-firmness-in-skin-study-shows
https://nutritionsource.hsph.harvard.edu/avocados/