Abstract: In a process for extracting embryonic calf skin which includes initially grinding the calf skin, extracting the same, separating the resulting extract and lyophilizing the separated extract, the extraction stage is carried out in an extraction medium comprising an aqueous solution having an acid pH, at a temperature between 60.degree.-75.degree. C., for a period of at least 3 hours. The resulting extract which exhibits cicatrisive activity is employed in cosmetic and pharmaceutical compositions.

Abstract: A method for treating a scalp characterized by an excessive secretion of sebum, to improve the condition thereof by reducing said excessive secretion comprising orally administering to a human being having a scalp so characterized a therapeutic composition comprising an ingestible carrier admixed with, as a non-toxic active compound, cysteine or cysteamine derivatives, the active compound is present in amounts of about 0.75-3 weight percent of the composition which is administered at a rate of about 1-5 mg/kg/day based on the weight of the human being during a period of about 15 days.

Abstract: A method for treating a scalp characterized by an excessive secretion of sebum, to improve the condition thereof by reducing said excessive secretion comprising orally administering to a human being having a scalp so characterized a therapeutic composition comprising an ingestible carrier admixed with, as a non-toxic active compound, cysteine or cysteamine derivatives, the active compound is present in amounts of about 0.75-3 weight percent of the composition which is administered at a rate of about 1-5 mg/kg/day based on the weight of the human being during a period of about 15 days.