Hydrogenated Acetophenone/Oxymethylene Copolymer

What is Hydrogenated Acetophenone/Oxymethylene Copolymer?

Hydrogenated Acetophenone/Oxymethylene Copolymer is a synthetic polymer formed by copolymerizing hydrogenated acetophenone with oxymethylene monomers, yielding a stable polyacetal-like structure. Primarily used in hair styling products like sprays and gels, and occasionally in skin care, it serves as a film-forming agent. Upon application and evaporation of solvents, it deposits a thin, elastic film on hair shafts or skin surfaces. This film adheres well, offering flexibility without rigidity, and resists environmental factors such as humidity. The hydrogenated component enhances oxidative stability, while the copolymer design promotes even distribution and durability. It supports product performance by locking in active ingredients and providing a smooth, protective barrier that extends wear time without compromising comfort.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Benefits

Creates flexible films for extended product hold and protection

Enhances shine and smoothness on hair or skin surfaces

Maintains efficacy against humidity and daily wear

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Users of hair styling products seeking long-lasting hold
Those with rare allergies to synthetic polymers
Individuals needing humidity-resistant formulations
People preferring fully natural ingredient products
People applying products requiring surface protection
Individuals sensitive to film-forming cosmetic agents

Safety Notes

  • Considered low hazard in cosmetic applications
  • Non-comedogenic with minimal pore-clogging potential

Frequently Asked Questions about Hydrogenated Acetophenone/Oxymethylene Copolymer

What does this ingredient do in cosmetics?

It forms a thin, flexible film to provide hold, shine, and protection in hair and skin products.

Is it safe for daily use?

It has a low hazard profile and is non-comedogenic, suitable for most cosmetic uses.

Does it work on all hair types?

It offers flexible film formation effective across various hair types for styling support.