Seeking biodegradable film former with water resistance ability in personal care product

Evaluation criteria are:
Water resistancy and spreadability in personal care

Criteria are:
- Non-persistent, preferably readily or inherently biodegradable
- Degrade to non-toxic components
- Approved or approvable for cosmetic use

Should have:
- MSDS

NIce to have:
- Toxicology, genotoxicity, ecotoxicity and degradability data for the proposed compounds should be available
- Experimental data on water-resistance
- Sample

Definition of words:
- Biodegradable : In accordance with OECD 301/302
- Film former : After application of personal care product on the skin, the products and/ or some ingredients could form the film on the skin.
- Water resistance : The film could not be dissolved in water and the film could protect our skin. Even if the film could be dissolved in water, it could be not completely washed out and could be some residue on the skin after water application, and then the products and/ or some ingredients could fix on the skin