Monthly challenges - hard mode?

[BubblesUK]

How about using only the same during the given month:
1) Razor
2) Blade Brand
3) Shaving Brush
4) Cream or Soap
5) A / S
6) Prep product (if applicable)
7) Witch Hazel brand (if applicable)
8) Alum brand (if applicable)

For minimalists this should be an easier task to do.

Fixed four puts you halfway there already, AFFCC gets you even closer just by budget constraints - but sure, definitely doable without being easy (I'd do it )