Ingredient · INCI reference
Disodium Phenyl Dibenzimidazole Tetrasulfonate
a.k.a. Bisdisulizole Disodium (Neo Heliopan AP)
CAS 180898-37-7
Bisdisulizole Disodium, also known as Neo Heliopan AP, is a newer photostable organic filter absorbing UVA1 and UVA2. The EU and Korea approve it up to 10%; Japan and the US do not currently approve it. EWG rates it 1.
Modern organic Next-gen photostable chemical filters. Gen · new organic
01 Spectrum coverage UVA1 · UVA2
02 Regional approval · max %
JP — — Japan: No data KR ✓ 10% South Korea: Approved · max 10% EU ✓ 10% Europe: Approved · max 10% US — — United States: No data
03 Safety profile
EWG score
1
Reef-toxic
No
Endocrine disruptor
No
Comedogenicity
0
Reference
Frequently asked questions
What does Neo Heliopan AP protect against?
It absorbs UVA1 and UVA2, the longer UV wavelengths linked to skin aging. As a water-soluble filter, it is typically used with UVB filters for broad-spectrum coverage.
Where is Neo Heliopan AP approved?
It is approved in the EU and Korea, each up to 10%. It is not approved in Japan or the US among the markets tracked here.