Invisibility potion

PLEASE NOTE!!!
THIS ONLY EORKS ON 10 % OF PEOPLE IN THE WORLD DRINK WATER MIXED WITH A TEA SPOON OF MILK TO REMOVE THE INVISIBILITY IF IT WORKED
INGREDIENTS:
1 CUP OF WATER
1 TEASPOON OF MILK
1/2 TEASPOON OF SUGAR
1 1/2 TEASPOONS OF SALT
METHOD:
MIX ALL THE INGREDIENTS LISTED ABOVE TOGETHER IF THE SUGAR OR SALT DOES NOT MIX IN ADD MORE WATER WHAEN IT IS ALL MIXED IN DRINK IT REMEMBER THIS ONLY WORKS ON 10% OF PEOPLE