Pregunta:
Hair fibres are composed of:
Autor: LEIGHTON DWIGHT OBILLOSRespuesta:
85% complex protein keratin 7% water. 3% lipids 2% pigment aluminium (Al), chromium (Cr), calcium (Ca), copper (Cu), iron (Fe), manganese (Mn), magnesium (Mg) and zinc (Zn) ( 22 mg per 10Og )
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