As the seasons begin to change, so do our bodies, our routines, and the environments around us.
Fall often means cooler temperatures, less daylight, busier schedules, more time indoors, and the beginning of a season when many of us start thinking more intentionally about immune health and overall wellness.
One of my favorite ways to support a healthy lifestyle during this transition is also one of the oldest: oils.
Why Oils Have Been Used for Generations
Plant-derived oils have been part of wellness traditions around the world for centuries. What fascinates me as a scientist is not simply that these traditions have lasted, but that modern research continues to explore the incredibly complex chemistry found within plants.
Essential oils contain naturally occurring aromatic compounds that give plants their distinctive scents and characteristics. Depending on the plant, these compounds can include terpenes, phenols, esters, and many other constituents.
But there is an important distinction I always make: natural does not automatically mean harmless, and more is not always better.
Quality, concentration, formulation, and appropriate use matter.
The Science of Scent
One of the most interesting things about aromatic oils is the connection between scent and the brain.
When we inhale an aroma, odor molecules interact with receptors in the olfactory system, which has close connections with brain regions involved in emotion and memory. This helps explain why a particular scent can instantly remind you of a person, place, or moment from years ago.
It is also why I love incorporating aroma intentionally into daily routines.
A scent can become a cue.
Lavender at bedtime may become associated with winding down. Citrus in the morning can become part of an energizing routine. Peppermint may become something you associate with feeling refreshed and focused.
Wellness isn't always about adding another complicated task to your day. Sometimes it is about creating an environment that helps support the behaviors you already want to practice.
Oils and Your Environment
We spend an enormous amount of our lives interacting with our environment—what we breathe, what we put on our skin, what we consume, and what we surround ourselves with every day.
That is why I encourage people to become label readers.
Fragrance is a perfect example. A product that smells wonderful isn't necessarily the same thing as a thoughtfully formulated botanical product. If reducing unnecessary exposures is important to you, take the time to understand what is actually in the products you bring into your home.
I believe wellness should involve awareness, not fear.
You don't need to throw everything away overnight. Start small. Ask questions. Read ingredients. Make better choices where you reasonably can.
Those small decisions add up.
Creating a Fall Oil Ritual
As we move into fall, consider using oils as part of the routines that already support your well-being.
Create an evening ritual that signals to your body that the day is ending. Make your home feel peaceful and inviting. Pair an uplifting aroma with your morning routine. Use scent as a reminder to slow down, breathe, stretch, hydrate, or take a moment for yourself.
The oil itself doesn't replace sleep, nutrition, movement, hydration, or appropriate medical care.
It can complement the environment in which those healthy habits happen.
And that distinction matters.
Wellness Doesn't Have to Be Complicated
I have spent much of my career studying how our environment and everyday choices interact with our health. One lesson continues to stand out: the things we do consistently often matter more than the things we do occasionally.
Your wellness routine doesn't have to be perfect.
It needs to be intentional.
This fall, pay attention to what you're bringing into your environment, what you're putting on and around your body, and how the rituals you've created make you feel.
Sometimes something as simple as a familiar scent can remind us to return to ourselves.
Dr. Christina Rahm
Scientist, entrepreneur, author, and founder of The ROOT BrandsThe Power of Oils: A Smarter Approach to Fall Wellness