August 11, 2025

PET (Polyethylene Terephthalate)PET is one of the most widely used waterproof substrates in cosmetic stickers. Its molecular structure is stable, resistant to acids and alkalis, and withstands a wide temperature range (-40°C to 120°C). It offers excellent water resistance—remaining intact without warping, wrinkling, or dissolving even after prolonged contact with water or oils in skincare […]

Coated Paper Stickers:The surface is coated for smoothness and high whiteness, enabling vivid colors and sharp patterns. It is a common material for decorative stickers—for example, cartoon round stickers in planners or festive decorative stickers. However, its drawbacks are clear: it is not waterproof, tears easily, and may yellow over time when exposed to air.