01The question
Is Dioxybenzone safe in lip balm with SPF?
CautionLip balm with SPF
A benzophenone chemical UV filter that can cause allergic and photoallergic contact dermatitis and for which US regulators have requested more safety data.
02What the research flags
- Benzophenone organic UV filters have caused both allergic contact dermatitis and photoallergic contact dermatitis (Ekstein 2023, PMID 36279254)
- A case report documented an anaphylactoid reaction to benzophenone sunscreens, including benzophenone-8 (dioxybenzone), with recurrence during patch testing (Tawfik 2019, PMID 31006868)
Regulatory
IARC Class: NL
03Other lip balm with SPF ingredients on file
04Sources & references
- [1]
- [2]
Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific lip balm with SPF product. This is not medical advice.