Ratan bahri - sea crayfish

Essence.
When we say “sea crayfish,” we do not mean any crayfish found in the sea, but only one special species, in which all the organs are stony.

Actions and properties.
Burnt crayfish is more rarefied than other burnt substances.

Cosmetics.
Burnt sea crayfish cleans teeth, reduces freckles and bruises.

Ulcers.
Burnt cancer dries out ulcers and also helps against jarab.

Organs of the eye.
Sea crayfish meat prevents lacrimation, and with salt it is used to erase the winged hymen. It is used to make an eye medicine that is used to erase trachoma from the eyelids. It really clears up the eyes.