2. X-Rays: to treat "superfluous hair."
3. Lead: for smoother and paler skin.
4. Kohl (aka more lead): as eyeliner
5. Arsenic: to clear complexion and increase paleness.
6. Camel pee: to get shiny hair.
7. Mercury: to cure blemishes.
8. Deadly Nightshade (aka belladonna): to dilate pupils and brighten eyes.
9. Radium: to cure wrinkles.
10. Lard: to hold elaborate 18th century updos in place. For weeks.
11. Crocodile poop: to keep looking fresh.
12. Cyanide: to dye hair black.
13. Cocaine: to ease the pain of beauty procedures.
14. Mouse skin: as fake eyebrows.
15. Paraffin: to make hair grow.
16. Rat poison: to remove unwanted hair
17. Urine: to freshen breath and whiten teeth.
18. Dimple machine: to do exactly what it says.
19. Orange juice: to brighten and clear eyes.
20. Charcoal: to freshen breath.
21. Sandpaper: to remove hair.
Of course, all of these make some more recent beauty fads seem less extreme.

