For example, linoleic acid, -linoleic
acid and their polyenic derivatives, eicosapentaenoic acid (EPA) and
docosahexaenoic acid (DHA) are indispensable for the integrity of the
cell wall. They are also involved in rebuilding the epidermis and regulating
hydration.
These are the active ingredients
that make plant oils and their derivatives the obvious choice for cosmetics.