Geranium. Add geranium oil to a bath to help ease swelling associated with fluid retention. It also reduces swelling on cold sores, acne and bug bites. The oil, also known as rose geranium oil, derives from the flowering herb Pelargonium graveolens.
Back to Index. Hyperpigmentation is a common, usually harmless condition in which patches of skin become darker in color than the normal surrounding skin. This darkening occurs when an excess of melanin, the brown pigment that produces normal skin color, forms deposits in the skin.ack to Index. Hyperpigmentation is a common, usually harmless condition in which patches of skin become darker in color than the normal surrounding skin. This darkening occurs when an excess of melanin, the brown pigment that produces normal skin color, forms deposits in the skin.
Pigmentation is the coloring of a person's skin. When a person is healthy, his or her skin will appear normal in color.In the case of illness or injury, the person's skin may change color, becoming darker (hyperpigmentation) or lighter (hypopigmentation).elasma. An example of hyperpigmentation is melasma (also known as chloasma). This condition is characterized by tan or brown patches, most commonly on the face. Melasma can occur in pregnant women and is often called the mask of pregnancy; however, men can also develop this condition.