Diben y ddeddfwriaeth hon yw gostwng nifer yr heintiadau a’r cymhlethdodau ar ôl triniaeth sy’n gysylltiedig â thyllu cosmetig yng Nghymru. Trwy gael rhiant neu warcheidwad i chwarae rhan yn y driniaeth, dylai hynny fod o gymorth i leihau effaith unrhyw bwysau gan ffrindiau, cynorthwyo unigolyn i ddeall beth yw goblygiadau cael triniaeth tyllu cosmetig, a’u cynorthwyo i ddewis rhywun cyfrifol i wneud y driniaeth.
The purpose of this legislation is to reduce the number of infections and post-procedure complications associated with cosmetic piercings in Wales. The involvement of a parent or guardian should help to reduce the impact of pressure from friends, help an individual to understand the implications of having a cosmetic piercing and help  to choose a reputable piercer.