This horse chestnut extract GW, made from horse chestnut seeds, is highly valued for treating painful, tired, heavy legs, calf cramps, itching, and leg swelling.
 

 
In particular, its main active ingredient, the saponin aescin, can help drain excess fluid from the tissues, strengthen the veins, and thereby promote blood circulation and stimulate metabolism.
 

 
pH value:
 
  4.0–5.0
 

 
Usage concentration:
 
  1–10%
 

 
Processing:
 
  Stir into the cooled (lukewarm) emulsion