Lecos
Explore our flagship glass dropper bottles and cream jars engineered for premium cosmetics, essential oils, and clinical formulations.
In high-performance cosmetic and clinical dermatological skincare, product formulation stability is highly dependent on packaging engineering. Choosing green glass dropper bottles is not merely a design preference; it is a critical decision to maximize chemical integrity and prevent photodegradation.
Why Green Glass? Green glass is formulated by introducing chromium oxide (Cr₂O₃) and iron oxides (FeO and Fe₂O₃) into the molten silica batch. This specific oxidation state shift alters the spectrophotometric light-transmission curve of the glass container. It acts as an optical filter, blocking high-energy ultraviolet radiation (UVB and UVA, spanning 290–400nm) while maintaining partial transparency to visible light. This is critical for formulations containing light-sensitive active ingredients like retinoids, vitamin C derivatives, botanicals, and high-purity essential oils.
Organic compounds are susceptible to homolytic bond cleavage under light exposure, which creates free radicals and degrades active ingredients. Using green glass protects formulations by absorbing these reactive wavelengths. Unlike synthetic PET or HDPE alternatives, glass is chemically inert. This completely prevents plasticizer migration and volatile organic compound (VOC) outgassing, ensuring your formulation remains as pure and effective as the day it was bottled.
Additionally, green glass offers a distinct brand identity. It evokes natural purity, clinical precision, and an organic heritage that aligns with modern clean beauty concepts. B2B buyers can achieve optimal barrier performance and consumer trust without relying on opaque coatings.
Our bottles are manufactured from Type III soda-lime-silica glass, ensuring high chemical durability and optimal resistance to hydrolytic attack.
Available with premium borosilicate pipettes and customized rubber bulbs (NBR, Silicone, EPDM) to prevent formulation swelling or degradation.
Our formulations use up to 40% post-consumer recycled (PCR) glass, lowering carbon emissions without compromising structural clarity.
Lecos Glass (Lecospack) 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 glass packaging.
We pride ourselves on offering bespoke glass bottles to our clients. Basically, we have a large range of glass bottles, jars, and accessories you'll ever need. Lecospack provides professional glass cosmetic packaging solutions to worldwide customers. With years of experience in the field, we are capable of providing innovative, stable quality, and cost-effective packaging tailored to our customers' brand DNA.
The quality of our glass products is strictly controlled, winning the favor of both domestic and foreign customers. We work with many global beauty and wellness brands directly and indirectly. We also offer all kinds of customized deep processing for glass bottles, such as frosting, electroplating, spraying, decal printing, and silk screening, playing a key supportive role in the global glass beauty industry.
Adhering to strict dimensional tolerances, glass wall thickness parameters, and thermal shock resistance testing to guarantee zero failure on high-speed filling lines.
Leveraging optimized furnace operations, raw material contracts, and highly automated production loops to provide direct-to-brand cost advantages.
Dedicated B2B project managers, comprehensive logistics coordination, custom mold development, and complete regulatory support from design to delivery.
Sourcing primary packaging from China offers unmatched supply chain synergy, speed-to-market, and economies of scale. Understanding this industrial ecosystem helps international procurement teams optimize their total cost of ownership (TCO).
The strength of China's glass manufacturing lies in its highly integrated industrial clusters. Regions in Shandong, Jiangsu, and Zhejiang offer complete, localized supply chains. Silica sourcing, soda ash processing, mold engineering, secondary decoration, and accessory manufacturing are all located within close proximity.
This geographic concentration minimizes internal transport times and ensures seamless compatibility between components. For example, fitting a glass bottle mouth with a child-resistant dropper cap requires precise dimensional tolerances (DIN standard threads like 18/415 or 20/400). Chinese glass clusters coordinate directly with plastic injection molders to ensure leak-free seal integration and prevent torque loss during transit.
Monthly Output Capacity
Dimensional Tolerance Rate
Automated Optoelectronic QC
Global Brands Served
For international cosmetic brands, packaging compliance is crucial. Sourcing from Lecos Glass guarantees alignment with major international regulatory frameworks.
All glass batches undergo regular heavy metal migration testing (lead, cadmium, mercury, and hexavalent chromium) in compliance with US FDA CFR Title 21 and European Commission Regulation No. 1223/2009. We offer USP Class III validation and complete certification of analysis (CoA).
For high-concentration essential oils and active chemical serums, we offer child-resistant dropper closures certified under ISO 8317 and US 16 CFR § 1700.20, ensuring consumer safety and regulatory compliance.
To reduce supply chain complexity, we offer complete localized shipping support, including DDP (Delivered Duty Paid), CIF, and FOB terms, backed by customs clearance assistance and secure, seaworthy pallet packing.
Our commitment to social responsibility, ethical manufacturing standards, and universal human rights guides every operational process.




Customizing glass packaging helps brands stand out on retail shelves and enhances the overall user experience. Lecos Glass provides advanced surface treatment options to elevate standard green glass bottles into premium, high-end packaging.
We provide advanced, in-house surface treatments including:




Illuminated by the high aesthetics and elegance of the most famous luxury brands.
Key information regarding pricing, lead times, regulatory compliance, and customization options.
Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contacts us for further information.
Yes, we require all international orders to have an ongoing minimum order quantity. This helps optimize production line efficiencies. If you are looking to resell in smaller quantities, please contact us for custom options.
Yes, we can provide comprehensive documentation including Certificates of Analysis / Conformance (CoA), Heavy Metal migration test reports, Product Specification Sheets, Certificates of Origin, and standard export documentation.
For samples, the lead time is about 7 days. For mass production, the average lead time is 20-30 days after receiving the deposit payment and final design approval. If our lead times do not align with your launch deadline, please discuss your requirements with your sales manager to see if production can be expedited.
We accept secure payments via Bank Transfer (T/T), Western Union, and PayPal. Our standard terms are a 30% deposit in advance, with the remaining 70% balance due upon presentation of the Bill of Lading (B/L) copy.
We warranty all raw materials and manufacturing workmanship. Our primary commitment is your total satisfaction. In all cases, we aim to address and resolve any quality concerns to ensure a mutually satisfactory outcome.
Yes, we package all shipments in heavy-duty, multi-layered export cartons on fumigated pallets with protective shrink wrap. Additional packaging or specialized transit cases for fragile shipments can be arranged upon request.
Shipping fees depend on the chosen shipping method (Express, Air Freight, or Sea Freight). Sea freight is the most cost-effective solution for high-volume orders. To provide an accurate quote, please share your shipping address, order volume, and weight specifications.
Explore our full range of custom foundation bottles, cream jars, and medical-grade glass droppers.