How to make black soap for even skin tone

How to make black soap for even skin tone
Making use of organic soap is the best compared to chemicals which brings out side effects which are bad for our skin. It is made from natural products ,which are friendly to our skin without bringing out side effects and it is relatively cheaper compared to chemical soaps. 
 Materials needed: soap ( one big wrap) 
2.turmeric (3 spoon)
 3.lemon (2 table spoon)
 4.milk(4 spoon) 
5.osun (cam wood) 
 6.iyere Osun (sandal wood)
 7.egg white (1)
 8.3 tablespoon of honey .(3spoon) 9.sulphur(1 teaspoon) 
 10.shea butter ,(1tablespoon) 
11. Preservatives- one tablespoon
1.put the soap in a mortal to pound 
2.Add turmeric, and other ingredients into it, except milk, egg and honey 
3.After you are done pounding other materials with the soap, then add your egg white and honey into it and use hand to mix it together , add preservatives in a container that has cover, start using and see the magic