Purpose Because people living with environmental sensitivities are poorly acknowledged in our society, we still know very little about their experiences navigating in the health care system, especially with respect to dental services. Our objective, therefore, was to describe their dental care pathway and better understand their experiences accessing oral health services. Materials and methods A qualitative descriptive study was conducted in partnership with organizations supporting people with environmental sensitivities. Through a criterion sampling technique, 12 people living with environmental sensitivities in Quebec (Canada) were invited to participate in individual semi-structured interviews. These interviews lasted around 90 min and were transcribed to be thematically analysed. Results Participants faced major barriers accessing dental services and thus lived for long periods of time with unmet dental needs. Their dental care pathways were often delayed or even interrupted for several reasons. First because they were exposed to pollutants upon leaving their house, which rendered their trip to the dentist perilous. Second because dentists lacked knowledge about environmental sensitivities and seemed reluctant to accommodate them. Conclusions We invite governments, dental professionals, and researchers to develop policies and clinical approaches for improving people living with environmental sensitivities’ quality of life and access to dental services.