Hamel
Hamel is an herb that grows throughout the world, widely used as a medicine that serves as a contraceptive. It can be used both preventatively and to induce miscarriages in early stages, though it should be avoided during the entirety of an intended pregnancy. Hamel works on people of any biology. It is most commonly ingested by brewing in a daily tea, though it can also be used topically (typically on people with external genitalia) or its powdered form snorted (especially to induce miscarriages). Hamel can have side effects relating to fertility and it is not guaranteed to work preventatively, though it has a high success rate when it is consumed regularly, used topically, and combined with other contraceptive measures.
Physically, Hamel blooms into white, light pink, and light blue flowers, each of which has the shape of a rectangular cube, folding inwards to a close at the top. When it rains, the top may open to allow water in. After long periods of rain, the Hamel's flowers will ooze a liquid tinged in the flower's colors. This liquid is very viscous, sweet, and fragrant, with a scent that has been described as "deliriously pleasant" in the wilds. Collectors of this oozy sap often pass out in a happy stupor from the vapors alone, though the intensity of the smell fades rapidly after the ooze is removed from the flower. The sap is what is most often used to mix teas, though the flowers may also be shredded up into a very fine powder or used for their topical effect. Per tradition, blue flowers are used for sap (thus, most sap is blue-ish), pink flowers are used topically, and white flowers are used as a powder. They don't have different effects, and a Hamel plant's ancestors have no impact on their descendents' colors, so this guideline is merely a way for collectors to differentiate between their product in an easy manner.
To some individuals, Hamel is addictive. This seems to especially impact Fey who consume it regularly, though it does not impact a majority of Fey, and there does not appear to be a significant racial component to this impact. The one minor exception is Foxfolk, on whom Hamel has a general warming effect that many find comforting. Some Foxfolk end up drinking only Hamel, which can be especially harmful to fertility and reproductive health.