Lecos
High-end glass primary packaging with advanced dispensing options for global brands
In the modern cosmetic and personal care ecosystem, product performance is tied intimately to the application experience. The integration of Custom Glass Bottles with Doe-Foot Tips has transformed delivery standards for lip oils, liquid concealers, serums, eye-treatments, and highlighters. As cosmetic formulations become more complex—incorporating active peptides, volatile silicones, and precise viscosity agents—the requirement for packaging inertness and dispensing accuracy has escalated.
Premium brands are increasingly pivoting away from plastic tubes (like PETG or SAN) toward flint or borosilicate glass. Glass provides an absolute gas-permeability barrier, prevents the absorption of organic solvents, and shields the formulation against UV-induced decomposition. Furthermore, glass offers the sensory weight and clarity that modern consumers associate with clean, clinical, and luxury beauty.
Our custom assemblies pair high-clarity soda-lime glass with medical-grade flocked doe-foot tips. The synthetic fibers (primarily Nylon-6,6 or polyester) are applied via electrostatic deposition to ensure uniform density and zero shedding. Combined with LDPE wipers calibrated down to ±0.05mm tolerances, our systems guarantee consistent dosage control while preventing container neck build-up and messy leakage.
Why technical procurement teams look beyond aesthetic design to structural compatibility
Active ingredients like Retinol, Vitamin C, and plant-based lip oils require high barrier materials. Our glass bottles are USP Class III and EP 3.2.1 compliant, mitigating chemical leaching or reaction with active ingredients, preserving formula integrity throughout its shelf life.
The interface between the wiper orifice and the applicator stem is engineered to prevent scraping while removing excess formulation. We control this clearance down to ±0.05 mm using automated optical measurement systems during the high-speed production line.
From oversized, pillowy tips for lip oil hydration masks to sharp, angled tips for precise concealer spot treatment, we supply customized geometries (teardrop, paddle, round, metallic-touch) matching your product's target application zone.
Unlocking economies of scale with advanced automation and global compliance
China is the global powerhouse for cosmetic glass production, offering a complete ecosystem from raw material sourcing (high-purity silica sand) to automated glass manufacturing, precision injection molding, flocking, and decoration. Our facilities in China utilize advanced IS (Individual Section) glass forming machinery, ensuring consistent wall thickness and exceptional thermal shock resistance.
By consolidating mold making, glass blowing, applicator assembly, and surface treatments (like silk-screening, electroplating, hot stamping, and frosting) under one localized ecosystem, we dramatically compress lead times while driving down manufacturing costs. This vertical integration allows global beauty brands to manage complex SKU pipelines without dealing with fragmented multi-vendor logistics.
Working with international brands demands strict adherence to dynamic chemical and physical regulatory standards. We provide localized support by handling complex import/export compliance protocols, customs clearances, and secure, seaworthy packaging. Our QA laboratory tests all shipments for:
A premier manufacturer and strategic supplier of global cosmetic packaging solutions
Lecos Glass has been dedicated to the glass packaging industry for over 10 years with our innovative wholesale glass bottles and jars for cosmetics, perfume, personal care, essential oils and candle jar glass packaging. We are pride of ourselves in being good at offering bespoken glass bottles to our clients. Basically, we have a large range of glass bottles, jars, and accessories you’ll ever need! Although we have hundreds of products, our collections include:
Lecospack provides professional glass cosmetic packaging solutions to the world wide customers. With years of experience in the field, we are capable of providing innovative, stable quality and cost effectively packaging according to the customers’ DNA. The quality of glass products has been strictly controlled, which has won the favor of both domestic and foreign customers, and we work with many brands directly and indirectly. We also offer all kinds of customized deep processing for glass bottles, such as frosting, electroplating, spraying, decal and silkscreen etc. We insist in playing a supportive role in the glass beauty industry.
Stringent raw material screening, advanced inline inspection systems, and ISO-compliant clean rooms ensure premium visual clarity and structural integrity.
Through scale economies and localized supply chain integration in key industrial zones, we provide optimal cost-to-quality performance ratios.
Dedicated multi-lingual account managers, in-house technical packaging engineers, and responsive post-sales support protect your procurement timeline.
Our company is built on a solid foundation of deeply held values that set us apart, steer our actions, and infuse every aspect of our corporate culture. These values are not just words; they are the principles that guide how we operate daily. Central to our business practices are our unwavering commitment to social responsibility, adherence to ethical standards, and steadfast support for universal human rights.
We are also dedicated to protecting the environment and making a positive impact in the communities where we live and work. We believe in fostering creativity and innovation, celebrating and embracing the richness of diversity, and treating our employees with the utmost respect and care, as if they were members of our own family. By upholding these values, we ensure that our company remains a responsible, ethical, and inspiring place to work.








Analyzing how design changes are driven by consumer behavior and cosmetic formulation science
Lip oils require a high-viscosity barrier glass to display formulation clarity. Paired with jumbo, soft-flocked doe-foot applicators, they give the user a luxurious cocooning swipe that feels significantly more elevated than rollerballs or hard plastic squeeze tubes.
For precision base makeup, flocking density determines how much formula is held in reserve. Teardrop shaped doe-foot tips featuring sharp edges allow users to deposit small dots onto skin areas, followed by effortless blending.
The beauty industry is shifting rapidly toward refillable packaging. Our design engineers have developed split-fit glass bottles where the outer glass vessel is retained, while the inner cartridge and doe-foot assembly can be easily replaced, dramatically reducing environmental impact.
Technical and logistics questions regarding custom glass bottle and doe-foot assemblies
Discover our wide array of high-quality glass jars and dropper systems