==IPC/ECLA classes==
{|border="2" cellspacing="0" cellpadding="4" width="100%"
|align = "center" bgcolor = "#FAC0904F81BD" rowspan |<font color= "6#FFFFFF"|>'''A61'''</font>|align = "center" bgcolor = "#FAC0904F81BD" colspan |<font color= "3#FFFFFF"|>'''Medical or Veterinary science; Hygiene'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Column1'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Column2'''</font>
|-
|align = "center" bgcolor = "#FAC0904F81BD" rowspan |<font color= "2#FFFFFF"|>'''A61Q'''</font>|align = "center" bgcolor = "#FAC090DBE5F1" colspan |'''A61Q'''|bgcolor = "2#DBE5F1"|Use of cosmetics or similar toilet preparation|align = "center" bgcolor = "#DBE5F1"|
|-
|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">''' '''</font>
|align = "center"|''' '''
|align = "center"|A61Q 19/02
|align = "center"|Preparations for care of the skin =<nowiki>></nowiki>for chemically bleaching or whitening the skin|-|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">''' '''</font>|align = "center" bgcolor = "#DBE5F1"|'''<nowiki>****</nowiki>'''|align = "center" bgcolor = "#DBE5F1"|'''<nowiki>****</nowiki>'''|align = "center" bgcolor = "#DBE5F1"|'''<nowiki>****</nowiki>'''
|-
|}