Goudron Végétal by ESC Laboratoire is a natural care product with recognized cleansing properties. Tar is obtained by pyrolysis (slow combustion in the absence of oxygen) from wood (usually pine but beech can also be used). It is a mixture of resin and empyreumatic oil. It is characterized by a strong and acrid odor that certain organic materials, charcoal residues and pyroligneous acid give off under the action of fire. Its very dark color is due to charcoal. The use of tar as a treatment dates back to the 18th century, the properties of Norwegian tar were described in 1745 in pharmacology manuals. Its properties are linked to its chemical composition which contain phenolic compounds and lipophilic compounds (resin acids, terpenes). Polyphenols are known for their antioxidant and antimicrobial role. Tar, a natural waterproofing product for the horn. Humidity or the presence of cracks are likely to facilitate the development of bacteria which can infiltrate the sensitive parts of the foot and create infection and lameness. The properties and texture of tar create a protective barrier that prevents the proliferation of bacteria.