Reliability is the foundation of luxury packaging. In this case study, we reveal how our PMDC 1.0 system helped a New Zealand brand distribute tens of thousands of units worldwide with 0 quality complaints in 48 months. From pharmaceutical-grade sealing to powder-liquid separation, see how we solve the toughest stability and shipping challenges for high-concentration Vitamin C and Retinol serums. Read More

Packaging is no longer passive—it’s a performance enhancer. Explore the engineering behind our PMDC 1.0 system, a press-to-mix technology that isolates sensitive actives like Retinol and L-Ascorbic Acid until the moment of use. Discover how to transform your formula into a 'fresh-activation' ritual that drives consumer trust and viral marketing. Read More

Hangzhou, China —— Thousand Peak Glass (Sellbottle.com) is proud to announce the successful conclusion of our participation in the 6th CiE Cosmetic Innovation Expo (2026) in Hangzhou last week. At Booth 3C-H01, we demonstrated our commitment to solving stability challenges for high-potency skincare Read More

Thousand Peak Glass (Sellbottle.com) is proud to announce its participation in the 6th CiE Cosmetic Innovation Expo from March 17th to 19th, 2026. Join us at Booth 3C-H01 in Hangzhou International Expo Center to experience our cutting-edge dual-chamber systems and luxury glass packaging solutions. Read More

Not all dropper teats are created equal. In high-potency skincare, selecting the wrong material—like standard silicone for aggressive formulas—can lead to swelling, leakage, and formula degradation. This guide explores the critical role of Butyl Rubber in maintaining the stability of Vitamin C and Retinol, and why it’s the secret to a 4-year zero-leakage record. Read More

Why Dual Chamber Bottles Are the Only Solution for Pure Vitamin C Serum StabilityFor skincare brands specializing in high-potency ingredients, L-Ascorbic Acid (Pure Vitamin C) is both a hero and a villain. It delivers powerful brightening results, but it is notoriously unstable.One of the biggest ch Read More

1.Glass bottles for cosmetics are mainly divided into skincare products (creams, lotions), perfumes, essential oils, nail polish several categories of small capacity, greater than 200ml capacity is rarely used for cosmetics Read More

The customization of perfume is like clothing. It can be divided into full customization (Bespoke) and semi-custom (Made To Measure). The difference between the two lies in the money you spend and the time invested. Click the link to find more details. Read More

You can reuse most glass droppers and dropper bottles, but they must be thoroughly cleaned before reuse. Next, I will introduce you to the detailed cleaning steps of the glass dropper bottle. Read More