CUSTOM SERVICE
Jarsking’s glass cosmetic packaging provides a clear window to your products and can come in many shapes. As a sterile and safe material, glass is both a barrier against contaminants and a sure way to maintain your product’s purity.
As China’s leading supplier of glass cosmetics packaging, we operate advanced manufacturing facilities capable of producing up to 100 billion units annually. Specializing in custom glass jars, we serve the cosmetics, personal care, and specialty markets with high-quality, tailor-made packaging solutions.
Non-reactive material preserves formulations
Temperature resistance for product stability
Chemical-free storage solution
100% recyclable material
Lower energy production requirements
Circular economy through recycled sourcing
Free design service available
Advanced CAD equipment for instant prototyping
30,000+ pre-designed molds
Self-owned machinery for custom shaping
Frosting, lacquering, and decoration options
Quality control through precise testing protocols
Wide-mouth glass jars (15g-80g capacities) with secure lids that allow easy scooping access while protecting thick formulations from air exposure and contamination
Glass dropper bottles with precise dispensing mechanisms that protect light-sensitive ingredients like Vitamin C from degradation while ensuring controlled application
Glass bottles with spray mechanisms or inner plugs that preserve water-based formulations and provide excellent sealing properties to maintain product efficacy
Small-capacity glass containers (15g-30g) with specialized applicators that prevent contamination of delicate formulations while conveying premium positioning
Elegant glass bottles with crimp perfume sprayers or fine mist dispensers that preserve volatile compounds and enhance the luxury unboxing experience
Small glass vials (1ml-5ml) with secure closures or spray tops that contain fragrance samples for customer trial, featuring leak-proof designs and compact portability
Glass roll-on bottles with stainless steel rollerball applicators that provide controlled application while preventing evaporation of fragrance oils
Coordinated glass bottle collections in various sizes that create cohesive brand presentation and allow consumers to layer different scent intensities
Amber or tinted glass bottles (30ml-100ml) with pump dispensers that protect light-sensitive ingredients while allowing dosage control for scalp and hair treatments
Glass spray bottles with fine mist mechanisms that ensure even distribution of protective formulations without over-saturating hair strands
Wide-mouth glass jars that accommodate thick, creamy textures while preventing contamination from repeated use and maintaining ingredient stability
Small glass dropper bottles (15ml-50ml) that enable targeted application directly to the scalp while preserving active ingredients like botanical extracts
Glass bottles with pump dispensers that maintain formulation consistency and prevent oxidation of color pigments while providing hygienic dispensing
Specialty glass bottles with brush applicators and secure caps that preserve color integrity and prevent solvent evaporation during storage
Glass dropper bottles that allow precise mixing with foundation or independent application while protecting light-reflecting particles from degradation
Glass spray bottles with fine mist nozzles that deliver even coverage for makeup setting while maintaining the stability of film-forming ingredients
Dark amber or cobalt blue glass bottles (5ml-30ml) with orifice reducers that provide UV protection and controlled dispensing to preserve volatile compounds
Tinted glass bottles with dropper caps that protect custom formulations from light degradation while enabling precise blending ratios
Clear or amber glass bottles (50ml-120ml) with pour spouts that showcase product clarity while preventing rancidity of base oils
Glass bottles with specialized dispensing mechanisms that work with various diffuser types while maintaining fragrance potency over extended periods
Airless glass dispensers that eliminate air contact to preserve potent active ingredients like retinol and peptides while ensuring sterile application
Amber glass bottles that protect light-sensitive ingredients like benzoyl peroxide and salicylic acid while preventing oxidation that reduces efficacy
Clear glass containers that showcase the natural color and texture of botanical ingredients while providing chemical-free storage solutions
Pharmaceutical-grade glass vials and bottles offering excellent chemical resistance and product stability, ideal for serums and high-purity cosmetic formulations
Strict quality testing is fundamental for glass cosmetic packaging, ensuring products meet exacting standards for safety, durability, performance, and visual appeal. Each container undergoes rigorous assessments—ranging from impact resistance and thermal shock to chemical compatibility and dimensional precision—to guarantee optimal protection, functional reliability, and a flawless customer experience.
Automated and manual inspections are performed to detect cosmetic defects such as bubbles, inclusions, scratches, surface blemishes, or color inconsistencies. Machine vision systems may be used for high-speed sorting. Only glass packaging that meets strict appearance standards and is free from visible flaws passes this final stage before decoration and filling.
This test verifies that all glass containers meet strict dimensional tolerances (neck size, wall thickness, base width, height) and weight specifications. Precise measurements are taken using calipers and balances to ensure compatibility with closures, labels, and filling lines. Deviations may signal production issues or lead to packaging malfunctions during capping or labeling processes.
The drop test assesses the ability of glass jars, bottles, or tubes to withstand accidental falls during handling and transport. Glass packaging is dropped from set heights (often between 1.2m–1.8m) onto hard surfaces at different angles and orientations. After each drop, the container is inspected for cracks, chips, or breakage. Multiple drops may be conducted to simulate worst-case scenarios and identify weak points. Only packaging that remains intact passes this test.
This test evaluates how glass packaging responds to sudden and extreme temperature changes, such as moving rapidly from hot to cold environments (or vice versa). Test specimens are typically transferred between baths with temperature differences up to 150°C. After exposure, the glass is checked for cracks or fractures. The aim is to ensure glass containers maintain their structural integrity and performance despite fluctuating storage or usage conditions, such as refrigeration or hot filling.
Internal pressure strength testing determines the resistance of glass containers to fracture when subjected to internal pressures. Sealed containers are gradually pressurized internally using air or water until they burst, or are held at a preset pressure for a defined time. The highest pressure that can be withstood without breakage is recorded and compared against safety standards. This is especially important for packaging carbonated, pressurized, or volatile cosmetic products.
Chemical resistance tests ensure glass does not react with ingredients in cosmetics, which could cause contamination. The glass container is exposed to various chemicals (acids, alkalis, or water) and then analyzed for material leaching or changes. Methods like the autoclave (hydrolytic resistance) test measure the amount of alkali that migrates into water at high temperature and pressure. The lower the leached substance, the higher the glass quality and compatibility with sensitive formulations.
Vacuum and sealing integrity tests check whether the closure or cap provides an airtight seal. Glass bottles or jars are filled, closed, and subjected to vacuum pressure to detect leaks. Any drop in vacuum, visual bubble formation, or product weeping indicates sealing failure. Accurate sealing is vital to protect against contamination, preserve product freshness, and comply with regulatory requirements.
A carefully measured mixture of high-purity silica sand, soda ash, limestone, and recycled glass (cullet) is prepared. Each raw material is analyzed for quality, accurately weighed, and blended to ensure the final glass achieves the specified clarity, strength, and color properties.
The batch mixture is fed into a furnace and heated to approximately 1,500–1,700°C. At this stage, the components melt into a homogenous, molten glass. Precise temperature control and mixing are maintained to ensure consistent composition and removal of unwanted inclusions.
Once melted, the molten glass undergoes refining to allow trapped bubbles and impurities to escape. The glass is then cooled gradually in a forehearth or conditioning zone to achieve a stable, workable viscosity and uniform temperature, critical for defect-free forming.
Molten glass flows from the furnace and is cut into precise, uniform portions known as “gobs.” Each gob’s size is strictly regulated, depending on the intended container’s volume and shape, ensuring consistent uniformity and optimal use of raw material in every cycle.
This stage defines the basic geometry and wall thickness of each vessel.
For jars and wide-mouth containers, the press-and-blow method uses a plunger to press the gob into an initial mold, forming a “parison,” which is then blown to final shape.
For bottles, the blow-and-blow process uses compressed air twice: first to create a parison, then to expand it to the finished form in a final mold.
For tubes, drawing or blowing techniques are used to create long, cylindrical shapes.
Newly formed glass containers are passed through an annealing lehr, a long temperature-controlled oven. Here, they are reheated and then gradually cooled in a controlled manner to relieve internal stresses—this is crucial for mechanical strength and resistance to cracking.
Products move to automated and manual inspection, where they are rigorously checked for dimensional precision, wall thickness, surface defects, and clarity. Items with faults (cracks, bubbles, deformities) are culled and sent back for remelting, promoting both efficiency and waste reduction.
Depending on customer requirements, containers may undergo additional treatments: coatings to improve scratch resistance, internal or external chemical treatments, silk-screen printing, frosting, color application, or labeling. These enhancements offer functional and branding benefits.
Finished glass items are palletized, shrink-wrapped or boxed, and sealed to protect them during shipping processes. Additional protective measures and labeling are applied as needed. Final packaging ensures that containers reach the customer or filling plant intact, fully meeting strict quality standards.
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