Should you pluck Aloe Vera directly from the plant and use it on skin?
We do not suggest you do that. Here is why...

There are over 420 aloe species and not all are safe for your skin. Telling one from the other is not always easy.
Aloe has two main substances:
Gel- the white squishy part and Latex- the yellowish material present between the inner sides of the leaf and gel.
This latex has Anthraquinones aromatic chemical compounds that may cause skin irritation.
So if you must use aloe directly from the plant, ensure that you've properly removed the latex and always use the gel on a smaller patch of skin first to check for any irritation.
Also ensure that you do not apply it on broken skin or on areas where skin tends to be thinner, such as the under-eye area and the upper cheeks.