Skip to Main Content
Skip Nav Destination

It is well-known that conventional cosmetics should have no physiological effect on the skin and should make no changes. Theoretically they should only moisturise the stratum corneum and in that way make wrinkles and fine lines less apparent. They should have no effects deeper than that level.

This content is only available via PDF.
You do not currently have access to this chapter, but see below options to check access via your institution or sign in to purchase.
Don't already have an account? Register
Close Modal

or Create an Account

Close Modal
Close Modal