lingmeibottle

  Choosing the right packaging for a sunscreen brand is more than an aesthetic decision—it is a chemical necessity. As a dedicated manufacturer at Lingmei Packaging , we’ve seen how the wrong tube choice can lead to formula separation, leakage, or loss of SPF efficacy. In this guide, we break down the technical differences between tube layers, printing processes, and cap selections to help you make an informed decision for your 2026 product line. 1. The Invisible Shield: 2-Layer vs. 5-Layer PE Tubes To the naked eye, a 2-layer and a 5-layer tube look identical. However, their performance tells a different story. 2-Layer PE Tubes: Composed of two layers of polyethylene. These are flexible, cost-effective, and ideal for simple moisturizers, cleansers, or hand creams. However, they lack a high barrier. 5-Layer PE Tubes: These are the gold standard for sunscreens. They feature a central EVOH (Ethylene Vinyl Alcohol) or PA barrier layer. This layer acts as a shield against oxygen and...