Database/Light Stabilizer/Polyacrylamidomethyl Benzylidene Camphor
Mostly petroleum · ISO 16128

Is Polyacrylamidomethyl Benzylidene Camphor natural?

Mostly not. The polyacrylamide backbone and its aryl linker are petrochemical; only the pendant camphor-terpene fragment is natural-origin.

INCI namePolyacrylamidomethyl Benzylidene Camphor
CAS113783-61-2
FunctionLight Stabilizer · Uv Absorber
FeedstockA polymer made by copolymerizing acrylamide with a…

How we scored it

Assumed repeat unit: acrylamide backbone ~70Da(0)+benzyl linker ~90Da(0)+bridging CH ~13Da(0)+camphor-ylidene C10H14O 150Da(1); 150/323=0.46 (structure/DP estimated).
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

A polymer made by copolymerizing acrylamide with a camphor-derivatized aromatic monomer; camphor is terpene-derived while the backbone and linker are petrochemical. No exact composition was supplied, so figures are estimated.

In plain English

A polymer-based sunscreen ingredient that absorbs UV rays and stays on skin without soaking in. It combines a synthetic acrylic polymer backbone with camphor, a pine-related compound.

CosIng definition: Polyacrylamidomethyl Benzylidene Camphor is the polymer that conforms generally to the formula:

Natural alternatives with the same function

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2POLYACRYLAMIDOMETHYL BENZYLIDENE CAMPHOR. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3POLYACRYLAMIDOMETHYL BENZYLIDENE CAMPHOR. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYACRYLAMIDOMETHYL%20BENZYLIDENE%20CAMPHOR