Cascarilla

Cascarilla or Efun is a soft, chalky powder made of eggshells, traditionally used to banish negativity, protect, bless or consecrate a person, place or object.

Suggested uses:

create a strong energetic barrier of protection around you when in large group settings

mix it into a floor washes

incorporate into spiritual baths

mark sigils upon yourself or your home for protection or to prepare for ritual work