"What is lemon juice good for?"

Keeping fruit from turning brown. Good source of citrus acid. Remove ink spots from clothing. Get rid of dandruff. Write with invisible ink. Eliminate blackheads. Clear up facial blemishes. Create blonde highlights. Deodorize a cutting board. Remove odors on hands from onions. Eliminate smells in your humidifier. Relieve constipation. Remove fruit or berry stains from your hands. Clean brass, copper, and stainless steel kitchen sinks. Whiten, brighten, and strengthen fingernails. Stop bleeding and disinfect minor wounds. Relieve poison ivy. Relieve rough hands or sore feet. Relieve a cough.