How to Clean Dropper Bottles Yourself A Simple 4-Step Guide

Cleaning cosmetic glass dropper bottles properly is key to keeping your serums, essential oils, and liquids free from contamination. Follow this quick 4-step process to ensure they’re spotless and safe for reuse.
First, disassemble the glass dropper bottle—separate the rubber bulb, glass pipette, and bottle itself. Fill a bowl with warm (not hot) water and let all parts soak for 10–15 minutes. This loosens residue, oils, or dried liquids clinging to the surfaces, making them easier to clean.
Next, disinfect with rubbing alcohol (70% isopropyl works best). Either submerge all components in alcohol for 5 minutes, or pour alcohol into the bottle and squeeze the bulb repeatedly to flush the tube thoroughly. Alcohol effectively kills bacteria and breaks down tough, stubborn grime that plain water would likely leave behind.
After alcohol treatment, rinse all components with warm water to remove any alcohol residue. Then, air-dry them completely on a clean towel—laying them upside down helps speed up drying and prevents moisture buildup, which can lead to mold.
For an extra layer of sanitization, use an infrared ozone sterilizer. Place the dry parts inside, run the machine according to its instructions (usually 10–20 minutes), and let it complete the cycle. Ozone and infrared light work together to eliminate even the tiniest pathogens, ensuring your dropper bottles are germ-free and ready for their next use.
This straightforward routine keeps your dropper bottles in top shape, protecting your products and extending the life of your containers.
pink cap glass dropper bottle

The All-Scenario Revolution of Period Panties Comfort, Leakproof, and Sustainability Leading Women’s Underwear Trends

 

Over the past years, menstrual underwear—also known as period panties—has evolved from a niche eco-friendly alternative to one of the fastest-growing segments in the global women’s lingerie market. In 2024, the global market value neared USD 680 million, with projections to surpass USD 1.5 billion by 2030, achieving a compound annual growth rate of 13% to 15%. Behind these numbers lies a growing awareness of women’s health, the rise of sustainable consumption, and continuous innovation in design and technology. Periods are no longer times to endure discomfort but moments that demand comfort, confidence, and self-care.

High absorption menstrual panties wholesale

 

As the global Period Underwear OEM Suppliers and Wholesale market experiences rapid growth, more brands and distributors are recognizing the potential of this emerging segment. This has sparked a surge in demand not only from end consumers but also from businesses looking to capitalize on new market opportunities.

This shift first manifests in the most direct consumer needs: leak protection and comfort. Early menstrual underwear was viewed mainly as a supplement to disposable products, but increasingly women use it as their primary protection. Advances in leakproof technology are key: premium period panties feature organic cotton or bamboo fiber inner layers for fast absorption, super-absorbent cores locking in moisture, and waterproof, breathable outer layers. High-waist styles with extended back panels offer comprehensive security for overnight and heavy flow users. These functional innovations meet core period needs and lay the foundation for further product development.

OEM leakproof period underwear factory

 

Once leakproof concerns are addressed, comfort becomes the critical factor driving repeat purchases. Modern women continue to work long hours, exercise, and travel even during their periods, fueling demand for seamless period panties and high-stretch fabrics. These designs maintain a stable fit without rolling, shifting, or causing heat buildup. Brands are segmenting their offerings by scenario: commuter styles prioritize stability and invisibility, athletic styles emphasize elasticity and support, and nighttime versions focus on softness and high absorbency.

 

Beyond function, sustainability is reshaping the market. Reusable menstrual underwear significantly reduces waste compared to disposables, appealing to eco-conscious consumers. Certifications such as GOTS organic cotton and GRS recycled fibers have become core brand selling points and contribute to premium pricing. Sustainability is no longer a “nice-to-have” but a decisive factor influencing purchase decisions.

 

Expanding Multi-Scenario Applications Unlock Massive Market Potential

As consumers demand higher health and lifestyle standards, the use cases for period panties have expanded well beyond traditional menstrual protection. This category is rapidly evolving into a multi-functional, multi-purpose product, unlocking enormous market potential.

 

First is the postpartum recovery period. New mothers face extended discharge and intimate care needs. Traditional pads often cause discomfort and require frequent changes. Soft, highly absorbent menstrual underwear is an ideal solution, offering effective protection while minimizing skin irritation and improving comfort.

 

Next is light urinary leakage protection. With age or after childbirth, pelvic floor weakening leads to common minor leakage issues. Specialized leakproof underwear with high absorption and antibacterial fabrics helps women confidently manage daily challenges, significantly broadening the user base.

 

Third, the sports and fitness scenario. Many women worry about leaks during running, yoga, or gym workouts. High-stretch, seamless, quick-dry period panties have become the go-to choice for active women, combining leak protection with freedom of movement and comfort during intense exercise.

 

Additionally, travel and outdoor activities form another important application field. Disposable products are inconvenient to carry and dispose of, while quick-dry, easy-to-clean period panties provide an eco-friendly and practical alternative, meeting the needs of long trips and outdoor enthusiasts.

 

Bulk seamless period panties supplier

 

This cross-scenario functionality not only increases usage frequency but also shifts consumer perception of period panties from “menstrual protection” to “all-year-round functional underwear.” Brands are responding by developing richer product lines, expanding market space and growth opportunities.

 

The competitive landscape is currently divided into three main players. International leaders like Thinx and Modibodi have established global presence through premium design and sustainability narratives; regional brands such as NEIWAI and Bananain quickly capture younger markets by blending local aesthetics with functional innovation; meanwhile, numerous OEM & ODM Period Panties Manufacturers play a crucial role in the global supply chain, providing affordable entry points for emerging brands. Differentiated functional designs, unique aesthetic positioning, and sustainability credentials are key strategies for new entrants.

 

Looking ahead 5 to 10 years, menstrual underwear technology will trend toward thinner, faster-drying, and higher-efficiency absorption. Nano-fiber technologies are expected to significantly enhance comfort and dryness. The demographic will expand from the core 18–35 female group to include teenagers and older women. Cross-category integration will become more common, merging period panties with sports bras, swimwear, and protective underwear to create multifunctional garments. On the distribution side, Direct-to-Consumer (DTC) brands will leverage social media platforms like TikTok and Instagram to accelerate global expansion. For brands and wholesalers alike, 2025 to 2030 represents a golden window of opportunity to capture market share and innovate in this rapidly evolving industry.

 

High absorption menstrual panties wholesale

 

As the period panties market rapidly expands and diversifies across multiple use cases, having a product that meets market demands with unique features has become essential for brands and wholesalers to capture future growth opportunities. We understand the critical role of customization in catering to diverse consumer needs. Whether you aim to develop high-performance period panties for specific scenarios or seek to combine differentiated design with sustainable materials, we offer professional OEM/ODM services and flexible production solutions.

 

Contact us today to create innovative period panties that lead the market and seize your competitive advantage!

Email: Lexie@Sharicca.com

 

Price of Tinplate is Going High

Yarlung Tsangpo River hydropower project as a major national infrastructure projects, if the full start, may indeed have a phased impact on the steel industry.

The main material of empty aerosol tin can is tinplate, now the price of tinplate will be increased, we have to adjust the price of our cans.
Please let us know if you have any plan, we can prepare the material in advance.


Guangdong Sihai Iron-Printing & Tin-Making Co., Ltd. was founded in 1998, located in the beautiful tourist city of Zengcheng, Guangzhou. Our company covers an area of 38,000 square meters and our main business is tinplate trading, coil cutting, coating, printing and tin-making.


What physical tests does the tube packaging have to undergo?

1.Thickness measurement

The precise thickness of each layer of a tube is fundamental to its performance. This test uses a micrometer or specialized thickness gauge to measure the actual thickness of each layer (from the inner barrier film to the outer printed layer), typically at five to ten points throughout the tube. The goal is to ensure compliance with design specifications.

2.Sealing performance test

Heat Seal Strength (Tube End): Tube ends are sealed using heat during the manufacturing process. This test measures the force required to tear the seal. It ensures that the seal will not crack during extrusion, transportation, and storage. Standards generally require a minimum strength to ensure reliability.

Torque Test (Tube End to Cap): This test evaluates the tightness of the connection between the tube end and the cap. A torque meter measures the force required to unscrew or tighten the cap, ensuring it is neither too loose nor too tight. Typical ranges vary depending on product type—cosmetic tubes may require 0.5-1.5 Nm.Positive/Negative Pressure Test: To simulate extreme conditions, the tube is subjected to positive or negative pressure in the seal. This can identify micro-leakages in the seal that may be missed by standard visual inspection.

3.Barrier performance test

Barrier performance is crucial for products susceptible to external influences like oxygen and light. 

Two key test types dominate this category:

Oxygen Transmission Rate (OTR): According to the standard, this test measures the amount of oxygen that passes through the tubing material over time. A low OTR is crucial for products like vitamin C serums or essential oils, as oxidation can reduce their effectiveness.

Water Vapor Transmission Rate (WVTR): According to the standard, this test quantifies the amount of moisture that migrates through the tubing. This is crucial for dry products (such as powdered skincare) or water-sensitive formulas, as excessive moisture can lead to clumping or microbial growth.

4.Mechanical strength testing

Compression resistance: This test simulates warehouse stacking, placing the hose under pressure for a week. This checks for deformation, collapse, or seal failure under sustained load.

Drop test: Tubes (empty and full) are dropped from various heights (e.g., 1 meter, 1.5 meters) and at various angles (vertical, horizontal, diagonal) to simulate an accidental drop. This test ensures there are no cracks, leaks, or cap detachments.

Flex resistance: The tube is repeatedly flexed, particularly at the shoulder (where the barrel meets the nozzle), until it breaks, typically over 10,000 cycles. This test assesses the durability of travel-sized hoses or products designed for portable use.

5.Extrusion performance testing

You know what? A user's experience with a product is largely tied to how easy it is to squeeze the stuff out and how clean the whole process is.Take those squeeze tests, for example. We use something called a texture analyzer to measure just how much force is needed to get the product out of the tube. The goal here is to make sure it's not a total nightmare to squeeze (because who wants to get all frustrated, right?). But at the same time, it shouldn't be so easy that you end up squirting out way more than you need.And it doesn't stop there. The testers also keep an eye out for issues like "rat tails." You know, those stringy bits that hang around after you've squeezed the tube? Or problems with uneven flow. These little things might seem minor, but they can lead to a whole lot of wasted product and just a generally crummy experience for the user.Now, when it comes to medicine tubes where you need to get the exact right dose every single time, things get even more serious. The consistency of how much comes out with each squeeze is checked super carefully. 

empty cosmetic tube packaging