There's a reason you stole his T-shirt.

Why your partner's T-shirt can feel so comforting

Why your fingers wrinkle in the bath Reading Why your partner's T-shirt can feel so comforting 2 minutes

It is stretched out. It is not your size. You still reach for it.

The shirt you borrow when someone is away may carry more than a familiar fit. Researchers have explored whether a loved one's scent can affect how stressful a moment feels.

The T-shirt experiment

A UBC study recruited 96 opposite-sex couples. Men wore a clean T-shirt for 24 hours while avoiding scented products and other things that could alter their scent. Women then smelled either their partner's shirt, a stranger's shirt or an unworn one, without being told which.

A mock job interview and mental-math task provided the stressful situation. Women exposed to their partner's scent reported less stress before and after the task. Lower cortisol was also seen among those who smelled and correctly recognized their partner's scent.

Familiarity was part of the story

This study examined body scent, not a perfume or a scented soap. It offers a possible explanation for a very familiar habit, rather than a promise that borrowing a shirt will always calm you.

A comfort you already understand

Self-care does not always arrive in a beautiful new package. Sometimes it is the old cotton shirt you keep borrowing. For a page devoted to scent, daily rituals and small comforts, that feels like a story worth sharing.

Explore more everyday bath and beauty inspiration at Finchberry.

Read the research summary from UBC.

Hofer, Collins, Whillans and Chen (2018). Olfactory cues from romantic partners and strangers influence women's responses to stress. Journal of Personality and Social Psychology, 114(1), 1-9.