Don't be fooled by his sweet talk, he's just trying to manipulate you.
smooth talk
Frequency:
70
%
He tried to win her over with smooth talk.
flattery
Frequency:
60
%
She saw through his flattery and didn't fall for it.
manipulation
Frequency:
50
%
She realized too late that she had fallen victim to his manipulation.
Idiomatic Expressions for soft soap
Phrase: to be full of soft soap
Meaning: to be insincere or overly flattering
Usage: I don't trust him, he's always full of soft soap when he wants something.