Telling someone they have to change their personal hygiene habits is always a tough issue to tackle but ignoring the problem puts other employees in an unpleasant work environment. Please read the following two articles: How to handle an employee with poor hygiene https://www.hcamag.com/hr-news/how-to-handle-an-employee-with-poor-hygiene-194765.aspx Personal Hygiene Checklist https://www.livestrong.com/article/165348-personal-hygiene-checklist/