Educational information, not medical advice — ask your doctor or midwife.
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Wolgyehwa is the dried flower of the China rose. Its plant name is Rosa chinensis. It is used on its own as a single herb in Korean medicine.
Healers gave it for period problems. Common uses were late periods, missed periods, and cramps. It was also put on the skin for boils and sores.
We found no good human trials of it. So this page tells you how it has been used, not what it can do. Long use is not proof that a herb works.
The short answer is that no one knows. No human study shows how it acts in the body.
Old Korean and Chinese texts say it moves the blood. In plain words, they saw it as a herb that frees a stuck flow and eases pain. That is an old way of thinking about the body, not a proven drug action.
Lab tests show the flower holds plant compounds that mop up free radicals (unstable bits that can harm cells). A test in a dish does not tell us what happens in a person.
Most often you will see whole dried flower buds. They are simmered in water to make a tea. Some shops sell the flower as a powder or in tea bags.
Korean and Chinese herbalists also mix it into larger herb blends.
For skin use, the cooled tea is used as a wash or a soak. Rose flower turns up in creams and soaps too, at very low amounts.
The China rose comes from China and has been grown there for many hundreds of years. In Chinese texts the flower is called yuejihua. It is listed in the Ming era herb book Bencao Gangmu, from 1596.
Korean doctors took the herb into their own practice, where it is known as wolgyehwa. Its main old use has always been for period problems.
See a doctor if your periods stop for three months or more, or if a period problem is new or getting worse.
Get care the same day if you bleed heavily enough to soak through a pad every hour, if you have severe belly pain, or if a boil spreads, streaks red, or comes with fever.
Call emergency services if your face, lips, or throat swell, if you come out in hives, or if you struggle to breathe after taking it. That is a serious allergic reaction.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
The published evidence for wolgyehwa is weak or absent. That usually means no controlled trial has tested it, not that a trial found it ineffective — the two are different, and we grade only what has been published.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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