Ingredient · INCI reference
Bis-(Diethylaminohydroxybenzoyl Benzoyl) Piperazine
a.k.a. HAA299
CAS 919803-06-8
HAA299 is a newer-generation, photostable organic filter that absorbs across UVA1 and UVA2. The EU approves it up to 10%; Japan, Korea, 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 — — South Korea: No data 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 HAA299 protect against?
It absorbs UVA1 and UVA2, the longer UV wavelengths most associated with skin aging. It is paired with UVB filters to achieve broad-spectrum coverage.
Is HAA299 photostable?
Yes. HAA299 is a newer-generation photostable filter, meaning it does not significantly degrade under sun exposure during normal use.
Where is HAA299 approved?
Of the markets tracked here, only the EU has approved it, up to 10%. It is not approved in Japan, Korea, or the US.