SGI

For internal uses hibiscus leaf has a long list of medicinal qualities recognized by herbal practitioners of centuries. These qualities include antiseptic, aphrodisiac, astringent, cholagogue, demulcent, digestive, diuretic, emollient, purgative, refrigerant, resolvent, sedative, stomachic, and tonic. There is not much left out. Hibiscus flower has itself high on the list of desired herbs for medicinal purposes.
A recent study showed three cups of hibiscus flower tea consumed daily for six weeks lowered blood pressure in Type 2 diabetes. It may help lower cholesterol as well, according to another study. Given that there are no side effects to hibiscus flower and the cost of hibiscus flower is quite reasonable, there is no reason not to give this idea a try.
As an herbal tea, hibiscus has been used as a diuretic and as a mild laxative. It is also commonly used to treat colds and coughs, problems with the respiratory system. Hibiscus flower tea has been used in treating hangover, heart ailments and even neurosis.
Obviously, many of these uses of hibiscus need some scientific study, but it is interesting the herb has endured as a cure of many uses.
Hibiscus: External Uses
Hibiscus is known to contain I-hydroxy-acids which make hibiscus a welcome ingredient in lotions and potions for keeping the skin soft and flexible with plenty of moisture.
Use of hibiscus is found around the world where skin rejuvenation is needed. Some folk medicines have used a wash made from hibiscus flowers to treat weeping psoriasis. The anti-inflammatory and astringent properties of hibiscus probably played a role in the effectiveness of this wash.
A 2002 study of an extract of hibiscus showed stronger antioxidant activity than BHA and b-carotene. These findings could indicate more of a role of hibiscus flower in skin care products in the future.