: High-density polyethylene (HDPE) and low-density polyethylene (LDPE) are commonly used for cosmetic tubes. PE is known for its flexibility and squeezability, making it suitable for products like lotions, creams, and gels. HDPE is more rigid, while LDPE is softer and more flexible.

Eco-Friendly Plastics: In response to growing environmental concerns, some cosmetic brands are exploring the use of eco-friendly plastics, such as biodegradable or bioplastic materials, which are designed to break down more easily in the environment.