Propolis Extract

Propolis Extract is the extract of propolis wax — the resinous material bees gather from local flora and pack into the hive. Unlike a single botanical, its chemistry tracks geography, season, and bee species, so “propolis” in a study may not match the INCI material in a serum.[1][2]

What it does

Formulas typically lean on antimicrobial and soothing claims. The evidence base is large but messy: many papers test Brazilian green, Brazilian red, Chinese, or poplar-type propolis without mapping those materials to cosmetic Propolis Extract or Propolis Wax/Cera.[1][3]

The evidence

Sensitization data show why source matters. Positive patch-test rates jumped from 2.8% in 2020 to 16.4% in 2023 after a commercial patch material switched from Chinese to Brazilian propolis; concurrent testing found 23.8% positive to Brazilian versus 3.8% to Chinese in the same patients.[3][4] CIR’s September 2026 strategy memo asks the Panel how to read that literature across onto the four INCI materials under review.[1]

How to use it

If you react to bee products or have fragrance/balsam allergies, patch-test new propolis leave-ons. Look for formulas that disclose origin when possible. Related Index chips include propolis WaxPropolis WaxLimitedPropolis Wax · Bee resin / wax fraction (syn. Propolis Cera)Resinous hive material synonymous with Propolis Cera in CIR’s review; same CAS family as Propolis Extract, with unclear literature mapping.Open in the Index → once published.