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Hydroxyethyl methacrylate (HEMA) is a monomer commonly used in the production of various products, especially in the field of polymer chemistry and materials science. It is widely used in the manufacture of polymers and copolymers for applications such as adhesives, coatings, and dental materials. Here are some products that may contain hydroxyethyl methacrylate:

Adhesives: HEMA is often used in the formulation of adhesives, including those used in various industries such as automotive, construction, and electronics.

Dental Materials: HEMA is a common component in the formulation of dental materials, including dental adhesives, composites, and bonding agents.

Coatings: Hydroxyethyl methacrylate is used in the production of coatings, including paints and varnishes. It contributes to the development of coatings with desirable properties such as adhesion and durability.

Contact Lenses: Some hydrogels used in the production of soft contact lenses may contain hydroxyethyl methacrylate.

Medical Devices: HEMA can be found in certain medical devices, such as catheters and other polymer-based devices.

Textiles: It may be used in the treatment of textiles to enhance certain properties like water repellency.

Nail Products: Some nail products, such as certain types of artificial nails and coatings, may contain hydroxyethyl methacrylate.

It's important to note that the use of hydroxyethyl methacrylate in consumer products is subject to regulations and guidelines to ensure safety. Additionally, formulations may vary, and manufacturers may use different monomers or chemicals in their products. If you have specific concerns about a particular product, it's advisable to check the product's ingredients or contact the manufacturer for more information.