Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle

VA/BUTYL MALEATE/ISOBORNYL ACRYLATE COPOLYMER.

Valuable CAS 136392-68-2 / FILM FORMING

This copolymer forms a resilient, continuous film on the skin, crucial for enhancing product longevity and performance. It significantly improves initial SPF and retention in sun care formulations, delivering a low-shine finish.

Film-forming Water-resistant (in sunscreens) SPF booster (in sunscreens)

Science

It functions by creating a hydrophobic film layer on the skin, which physically boosts SPF efficacy and provides water resistance. This action ensures active ingredients remain in place, extending their protective benefits.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Demonstrated to boost initial SPF and improve SPF retention in sun care formulations, delivering a low-shine finish on skin.

Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH N/A
0 7 14

Synergies

  • UV filters

Safety

CIR Status
Safe with restrictions
Max tested
10%
Sensitization risk Low

The CIR Expert Panel deems it safe for cosmetic use at concentrations up to 10%, provided the final formulation is non-irritating. Studies showed no phototoxicity, photoallergenicity, or photosensitization in humans at 10% in ethanol solution.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A valuable film-forming agent, highly effective in boosting SPF and water resistance in sun care, with a low risk of irritation across all skin types.


Related

Finding similar ingredients…