yotsuba · 四つ葉
Herbal warmth for hard-working knees.
Self-heating mugwort patches, inspired by traditional Japanese moxa. Peel, stick, and let the warmth settle in.
The idea
Four leaves, one warm ritual.
Yotsuba means "four leaves" in Japanese. Each leaf stands for one part of a small daily habit.
01
Warmth
Self-heating comfort that builds and lasts for hours.
02
Herb
Mugwort, the leaf at the heart of moxa.
03
Ritual
Peel, stick, slow down. Thirty seconds, once a day.
04
Rest
A quiet pause after the walk, the garden or the run.
How it works
Thirty seconds to warmth.
1. Peel
Remove the clear backing film.
2. Stick
Press onto clean, dry skin over your knee. Cut it to size if you like.
3. Rest
Feel the warmth build. Remove after up to 8 hours.
Featured product
The ingredient
The leaf behind moxa.
Mugwort, yomogi in Japanese, has been dried into soft moxa wool for centuries and used in warming rituals across East Asia.
Each patch carries that herbal tradition in a simple, self-heating form. No creams, no mess.
Everyday comfort
Made for knees that do a lot.
Cold mornings, long walks, weekends in the garden, leg day. Slip a patch under your clothes and get on with your day.
Questions
How does it feel?
A gentle, building warmth with a soft herbal scent. Most people feel it within about 10 to 20 minutes, and it lasts for several hours.
How do I use it?
Peel off the backing and press the patch onto clean, dry skin. Leave it on for up to 8 hours, then remove it gently. Give your skin a break before using another patch in the same place.
Is it right for sensitive skin?
Try a small piece first. Don't use it on broken, irritated or very sensitive skin. Stop if you notice redness or itching.
Can everyone use it?
If you're pregnant, nursing, have a medical condition or take medication, check with your doctor first. Keep away from children. This is a comfort product, not a medical treatment.
What will arrive in the mail?
Your patches arrive in a sealed herbal pouch from our manufacturer, 12 patches per pouch. The patches are made in China and inspired by traditional Japanese moxa.
How long does shipping take?
Orders are processed in 1 to 3 business days and usually arrive in 7 to 15 business days. You'll get a tracking link by email.