Lecos
Lecos
Explore our curated selection of high-barrier, custom-engineered cosmetic and oil glass containers.
Essential oils are complex chemical compounds consisting of highly volatile organic components such as monoterpenes, sesquiterpenes, esters, and aldehydes. Because of their delicate molecular structure, these botanical extracts are extremely sensitive to light, oxygen, and contamination. Any exposure to environmental factors can cause oxidation, degrading the oil's efficacy, changing its aroma, and rendering its therapeutic properties useless.
This is where engineered tamper-evident (TE) seals become critical. As a leading manufacturer, we combine physical security and material science to build glass packaging solutions that guarantee product integrity from the production line to the end consumer. The tamper-evident ring acts as a permanent mechanical visual indicator that the product remains untouched, offering consumers peace of mind and protecting brands from liability.
A reliable tamper-evident system involves precise mechanical cooperation between the bottle's collar and the closure's breakable band. Our production lines use state-of-the-art camera systems to inspect tolerances down to ±0.1mm, ensuring smooth capping operation and reliable release.
Our essential oil bottles feature the standardized DIN GL18 thread finish. This profile is engineered to accommodate Euro-dropper inserts, vertical drop pipettes, and child-resistant closures (CRC) seamlessly, preventing leaks during air transport.
The plastic closure features a retaining ring that locks under the glass collar. Upon twisting the cap counter-clockwise, the bridge connections break, leaving the plastic ring secured on the glass neck to show the bottle has been opened.
For brands operating in highly regulated regions like the US and the EU, we offer dual-function caps that combine tamper-evidence with child-safety mechanisms (push-and-turn style), complying with ISO 8317 standards.
Global beauty and aromatherapy brands face the constant challenge of maintaining premium quality while managing costs. By sourcing directly from our state-of-the-art facilities in China, brands benefit from an ecosystem optimized for high efficiency, high-volume production, and advanced surface modification technologies.
Our factory integrates the complete production loop: raw material preparation, glass melting, automatic bottle forming, annealing, surface treatment (such as frosting, electroplating, and silk screening), and cleanroom cap assembly. This integration reduces transportation waste, shortens lead times, and guarantees strict quality control.
Additionally, our geographic location provides access to major international ports, facilitating efficient freight forwarding and custom clearing processes. We maintain partnerships with leading global logistics providers to offer DDP, CIF, and FOB shipping options that meet our clients' diverse needs.
Entering international markets requires packaging that meets complex regional regulations. As an experienced exporter, we ensure our essential oil bottles and tamper-evident cap assemblies meet strict worldwide standards, helping your products pass border controls smoothly.
All materials, including glass types and polymer resins for caps and liners, are FDA approved and comply with EU Regulation EC 1223/2009. We supply detailed documentation including Certificates of Analysis (COA) and material safety data sheets.
Our manufacturing formulations do not contain substances of very high concern (SVHC). We strictly adhere to REACH protocols to protect both user health and the environment during production and disposal.
Our child-resistant, tamper-evident closure systems are certified to meet ISO 8317 and US 16 CFR § 1700.20 standards, ensuring they are safe for households with young children.
We work with distributors, wholesale brands, and bulk buyers in the US, Europe, and Asia-Pacific. By offering flexible custom solutions and scheduling shipments to match your replenishment cycles, we reduce warehousing costs and minimize supply chain risks.
The essential oil industry is transitioning toward eco-responsible operations and smart consumer engagement. Packaging design must evolve to match these trends while maintaining high product protection.
Consumers actively seek brands that prioritize sustainability. We are introducing Post-Consumer Recycled (PCR) glass into our production lines. PCR glass significantly reduces carbon emissions during melting, aligning with global green packaging initiatives without compromising material barrier properties.
To reduce plastic waste, we are researching closures made from bio-based polymers and compostable resins. These new materials are designed to break predictably during first-use opening while being easier to recycle than traditional plastics.
Lecos Glass has been dedicated to the glass packaging industry for over 10 years, offering innovative wholesale glass bottles and jars for cosmetics, perfume, personal care, essential oils, and candle packaging. We take pride in delivering tailored glass packaging solutions that help our clients build strong, memorable brands.
We implement strict quality checkpoints at every stage of production. From raw batching to final carton packing, our goal is to deliver zero-defect glassware that performs reliably on your packaging line.
By optimizing our manufacturing efficiency and sourcing directly, we offer high-quality glass packaging at competitive prices, helping your brand maintain strong margins in a crowded market.
Our dedicated team provides clear communication and comprehensive support from initial consultation to final delivery, ensuring a smooth and reliable purchasing experience.
Our company is built on a solid foundation of deeply held values that guide how we operate daily. We are committed to social responsibility, ethical business standards, and universal human rights. We work to protect the environment and make a positive impact in the communities where we operate. By celebrating diversity and supporting creativity, we foster an inspiring, ethical workplace for our entire team.
We provide packaging solutions for some of the world's most recognized cosmetic and wellness brands, delivering reliable quality that upholds their brand standards.
Find technical and logistical details regarding our custom glass manufacturing, regulatory compliance, and bulk purchasing processes.
Explore our classic DIN GL18 dropper systems and luxury oil bottle variations designed for high product protection.
