Aloe: Activity, Consistency, Authenticity and More: A Review.

The article explore how sources of Aloe vera can vary in chemistry, and what to consider when formulating with this ingredient. It mentions that Aloe vera have multiple claimed skin care benefits that link to the plant's growth, cultivation and harvets; and also mentions that aloe gel can act as a humectant, likely driven by the polysaccharide content, and an emollient to soften and smooth skin and improve skin barrier function.