You might think your boyfriend or husband isnβt paying attention to your nails, but it turns out that there is one color that will catch most menβs attention β red.Β The Red Nail Theory, as itβs being called on TikTok, is this idea that men are attracted to red nails because β¦ and you might not like this β¦ itβs the nail color that reminds them of their moms. The TikToker that coined the phrase attributes it to the β90s, when many women had red nails or were depicted with red nails most of the time. She said, βWeirdly, I think guys are attracted to red nails because it reminds them of their moms.β