Most Helpful Guy
by talking and talking. Knew one guy, especially ugly but he could have any woman he wanted just by means of "interesting conversation" (he had a PhD in philosophy - lol...). The British phrasal verb "chat someone up", meaning "to pick up / seduce [a woman]" would be taken most literally in his case...
I do think it's creepy, but women apparently don't.
Other ugly men flirt by means of their wallet.
Let's not forget though that women have different criteria for considering attractiveness. A man another men would consider most unsexy and unattractive could be taken for a hunk by women - for reasons known only to them.
And if any woman says here it's not so much about the looks when they value a man's attractiveness -- well, it is. I have heard so many women confess this, and heard many women's remarks on this and that feature of a guy's look that they don't have to conceal that anymore.