The Science of Love and Your Skin
Why falling in love might be the best thing you ever did for your complexion
Dear Skin,
You know that glow people get when they’re newly in love? The one no highlighter can quite replicate? There’s real, measurable biology behind it. When you fall in love, your brain floods with hormones that affect everything from your immune system to the actual structure and appearance of your skin.
Oxytocin: Your Skin’s Favorite Hormone
Oxytocin (the “love hormone”) is released during physical touch, eye contact, and emotional bonding. What most people don’t realize is that oxytocin receptors exist directly in your skin cells. A study published in the Journal of Drugs in Dermatology found that higher oxytocin levels correlated with more youthful-looking skin, even in women with significant sun exposure. The researcher, dermatologist Dr. Nicole Hayre, discovered that oxytocin binds to fibroblasts and appears to halt skin degradation by suppressing inflammatory compounds that accelerate aging.
Oxytocin also lowers cortisol, the stress hormone that breaks down collagen up to ten times faster in skin than in any other tissue. Love is one of the most effective cortisol counterweights your body has.
Dopamine: The Glow You Can’t Fake
That electric, early-love feeling is dopamine, your brain’s reward system lighting up. For your skin, dopamine improves microcirculation, meaning more oxygen and nutrients reaching your skin cells and more efficient waste removal. It also supports skin barrier recovery, helping that protective outer layer bounce back from damage faster.
DHEA: The Anti-Aging Hormone Hidden in Intimacy
Physical intimacy triggers a surge in DHEA (dehydroepiandrosterone), the most abundant steroid hormone in your body—and one that declines steadily with age. A peer-reviewed study in the Journal of Investigative Dermatology showed that DHEA increases procollagen synthesis while simultaneously inhibiting the enzymes that break collagen down. It also improves skin hydration by turning on oil production. Your body is essentially producing what expensive serums promise to deliver for free, during moments of connection.
Endorphins: Nature’s Stress Eraser
Endorphins, your body’s natural painkillers, released during laughter, touch, and love. They lower cortisol, ease tension, and reduce the systemic inflammation that shows up as dullness, breakouts, and accelerated aging. They also promote better blood circulation, which is why people describe a “glow” after intimacy. That flush of color is increased blood flow delivering oxygen and nutrients to your skin’s surface.
You Don’t Need a Partner to Get the Glow
Romantic love isn’t the only path to these hormones. Oxytocin releases during hugs with friends, cuddles with your pet, or a good massage. Endorphins flow during a hard laugh. The point isn’t that you need a relationship for good skin, it’s that your body already has remarkable tools for skin health built into its chemistry. Connection, joy, and touch are some of the most powerful ways to activate them. So the next time someone tells you that you’re glowing, go ahead and credit your partner, your best friend, or your golden retriever. Your serum can fight for second place.
Cheers,
The Relterra Team
