Penghuang Packaging: Glass Dropper Bottles vs. PET Containers for Cosmetic Packaging
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Square Glass Dropper Bottle for Serum
Penghuang Packaging presents a square glass dropper bottle in 2oz/30ml capacity, featuring a glass body with an aluminum dropper cap, specifically designed for face serum applications. The glass construction offers excellent protection for light-sensitive formulations, helping to preserve the stability and potency of active ingredients.
OEM/ODM customization is available, allowing brands to tailor specifications and materials to their unique product positioning.

Glass vs. PET: Material Comparison
In cosmetic packaging selection, glass and plastic each bring distinct advantages. Penghuang Packaging's glass dropper bottle excels in premium quality and product protection, while the 30g/50g/60g clear flat round recycled PET cream jar with silver cap and the 60ml/80ml/100ml/300ml/500ml transparent PET pump bottles offer lightweight and cost-effective solutions for creams, hand sanitizers, and lotions.
All three product lines support OEM/ODM options, enabling brands to choose flexibly based on target market and product requirements.
Glass Dropper for Light-Sensitive Formulas
For face serums containing active ingredients, glass bottles provide superior light-blocking performance compared to transparent plastic containers, significantly reducing photodegradation of sensitive formulations. Penghuang Packaging's square dropper bottle is engineered to meet this specific need, offering a reliable protection solution for serum brands.
For more details, visit: https://penghuang.com.cn/en/products/dropper-bottles-square-shape-empty-2oz-bottle-face-serum-30ml-glass-aluminum-dro
One-Stop Custom Packaging from Penghuang
With its three core product lines — glass bottles, plastic jars, and PET pump bottles — Penghuang Packaging covers a wide range of cosmetic packaging needs including serums, creams, hand sanitizers, and lotions. All products support OEM/ODM customization for specifications and materials, helping brands build a distinctive packaging identity.
Whether a brand seeks premium glass aesthetics or lightweight plastic solutions, Penghuang Packaging provides professional support to help cosmetic brands stand out in the market.