Founded in 2021,
SIYEN started with a simple question from our founder, Sean.
'Why do we feel so tired and heavy after spending hours indoors?'
It turns out, indoor CO₂ levels silently affect our mood and energy.
That’s why we wanted to create a product that blends into daily life,
helping people become more aware of air quality and its impact on wellbeing.

During countless rounds of testing and tweaking,
Sean began using essential oils to create a calming, focused atmosphere—
a scent that doesn’t interrupt, but stays with you,
offering a quiet space to breathe and reconnect with yourself.

So now, we focus on creating scent experiences for everyday life.
Whether it’s the first few minutes of your morning,
a break during a long workday,
or a quiet moment before bed
our scents are here to help you return to yourself.

Gentle, grounding, always there when you need it most.