Biologycalendar_todayLast updated: Apr 2026
What is Oxytocin?
/ˌɒksɪˈtəʊsɪn/
A hormone and neurotransmitter produced in the hypothalamus, often called the "bonding hormone." It plays a key role in social bonding, trust, empathy, childbirth, and breastfeeding.
lightbulb
Everyday Example
When you hug someone you love, your brain releases oxytocin — reducing stress, increasing feelings of trust and connection. This is why physical touch is so important for mental wellbeing.
publicReal-World Application
“Researchers found that nasal oxytocin spray increased generosity in economic trust games by 80%. This sparked interest in its potential for treating social anxiety, autism, and PTSD — though results remain mixed.”
psychology
Did you know?
Oxytocin was first isolated and synthesised by Vincent du Vigneaud in 1953, earning him the Nobel Prize in Chemistry in 1955. It was the first peptide hormone to be sequenced and synthesised.
emoji_objects
Key Insight
Oxytocin isn't purely the "love hormone" — it also strengthens in-group loyalty and can increase out-group hostility. Bonding and tribalism may be two sides of the same neurochemical coin.
Want to learn Oxytocin in 60 seconds?
Join 50,000+ learners snacking on knowledge daily.