Therapeutic mud is created as a result of long-term physical, chemical and biological processes. Its composition includes undissolved (silicon dioxide, aluminum oxide and iron, potassium, magnesium and calcium oxides), soluble (sodium, calcium, potassium and magnesium salts) inorganic substances and various organic substances (carbohydrates, fats, remains of dead and decayed plants and animals).

 

Sea muds with healing properties are usually formed in sea bays with a suitable water regime, depending on the salinity of the sea water, they can have different concentrations of mineral and organic substances (humic substances).

 

Good medicinal mud is bluish-gray in color, has a fine composition, is moderately sticky, difficult to wash off and homogeneous. Feels like a cream when felt between the fingers.

 

The healing properties lie in the complexity of the medicinal mud. It is not possible to state concretely what helps, it is individual and depends on each specific case, the original functional state of the organism. ​

 

Since there are several factors involved, its mechanisms of action turn out to be very complex. There are different opinions and theories about how the effect of medicinal mud is realized in the body. Unfortunately, it is not possible to prefer one over the other. (Veintpalu, 44)

 

Medicinal mud stimulates metabolism, accelerates cell renewal, removes excess fluid and waste from the body.

 

Under the influence of mud procedures, the heart rate increases, breathing also increases at the beginning of the procedure, blood circulation improves. ​

 

2016-2017. In 2015, TERE KK conducted a study on the effect of Haapsalu therapeutic mud and peat mixture on skin condition. Based on the results, it can be stated that after the procedure, the skin moisture content in the study area significantly increased in the subjects compared to the area that did not receive the medicinal mud and peat mixture.