It's fine to mix and match as long as you are getting what you want from your makeup.

If you use a sponge, you should throw it out everyday.

The bacteria in your eye areas are a little more sensitive than your face.

Berlinerinnen also continue to reinvent Berlin fashion. Women like Claudia Skoda, c.neeon (Clara Kraetsch and Doreen Schultz), Stadtkluft (Claudine Brignot of urbanspeed and Sandra Siewert of s.wert) and Natascha Loch carry on the tradition of Berliner Chic and carry its meanings into today's fashion. Berlinerinnen will always be ready to wear: the women who live in the city, are photographed in its streets, wear local brands and give Berlin fashion its reputation as exigeant and schraeg. Without all of these women, there would be no Berliner Chic, and so it is to them that this project is dedicated.

It's likely that different populations would have a different makeup of these genes, so it may all come out in the wash.

As the demographic makeup of this pool changes, it seems entirely likely that the under-representation of minorities to which you refer in your letter will also change,