1. Home
  2. /
  3. Blog
  4. /
  5. Product Knowledge
  6. /
  7. Page 4

Do you need our help?

If you have any questions, please feel free to contact us by leaving a message.

hot product

Luxury Hdpe Flat Square Plastic Shampoo Pump Bottle with Logo 8oz

Luxury 8oz HDPE Flat Square Shampoo Pump Bottle with Custom Logo

MORE
PET Gold Pump Sprayer Shampoo & Conditioner Bottles 250ml 300ml 500ml

PET Gold Pump Shampoo and Conditioner Bottles 250/300/500ml

MORE
Transparent PETG Round Shampoo & Lotion Bottles with Pump Sealing for Hotel 200ml-500ml

Transparent PETG Round Shampoo Bottles with Pump for Hotel 200-500ml

MORE
Amber Atomizer Empty Glass Spray Bottle 30/50/60/80/100/120ML

Amber Atomizer Empty Glass Spray Bottle 30/50/60/80/100/120ml

MORE
Luxury White Cosmetic Tube 60ml With Gold Ball Screw Cap For Hand Cream

Luxury White Cosmetic Tube 60ml with Gold Ball Screw Cap for Hand Cream

MORE
15ml 30ml 50ml 100ml Luxury Empty Round Perfume Bottles with Pump Sprayer Diffuser

Luxury Round Glass Perfume Bottles with Sprayer 15-100ml

MORE

Product Knowledge

ABL vs PBL Cosmetic Tubes: How to Choose the Right Barrier Structure

ABL vs PBL Cosmetic Tubes: How to Choose the Right Barrier Structure Short answer: Choose ABL when the formula needs a strong light, oxygen and moisture barrier and an opaque metallic layer is acceptable. Choose PBL when the pack needs good barrier performance, a smooth resilient body and a structure that can be designed closer […]

What Are the Different Types of Perfume Bottles? Materials, Sizes & Uses

Direct answer: The main perfume bottle types are fine-mist atomizers, refillable spray bottles, splash bottles, rollerball bottles, sample vials, miniature bottles and refill containers. Glass is the usual material for retail fragrance because it provides a strong barrier and broad formula compatibility. PET and aluminum are used mainly for lightweight travel, sampling and refill systems. […]

How to Choose a Chinese Perfume Bottle Manufacturer: Guide to Selection Criteria

Direct answer: A reliable Chinese perfume bottle manufacturer should be able to identify which processes it performs, provide traceable drawings and samples, control glass forming and annealing, match the bottle with the pump and cap, document decoration and inspection results, and reproduce an approved standard in mass production. ISO 9001 certification can support confidence in […]

Can Essential Oils Be Stored in PET Bottles? Is it Safe?

Short answer: PET bottles can be suitable for some essential-oil products, especially diluted cosmetic formulas and short-use formats, but PET should not be treated as universally compatible with every pure essential oil. For long-term storage of undiluted essential oils, a tightly sealed amber glass bottle remains the conservative first choice. A brand considering PET must […]

What Does 24/410 Mean on a Bottle? 28/410 Cap Size Guide

Quick answer: 24/410 (also written 24-410) is a bottle neck-finish designation. The first number is the nominal diameter, in millimeters, across the outside of the bottle threads or the inside of the matching closure. The second number identifies the standardized continuous-thread finish series—its thread configuration and neck height. A 24/410 bottle should be paired with […]

What Is AQL Inspection for Cosmetic Packaging? AQL Inspection Process and Standards

AQL inspection for cosmetic packaging is a statistical method used to decide whether a finished production lot should be accepted or rejected by examining a random sample instead of every unit. The buyer defines the lot, inspection level, defect categories and Acceptance Quality Limits before inspection. The inspector then uses a recognized sampling standard—commonly ISO […]

Airless Pump vs Dropper Bottle for Serum: Which Is Better?

Quick answer: an airless pump is usually the stronger starting point for oxygen-sensitive, contamination-sensitive, or medium-viscosity serums. A dropper bottle often suits low-viscosity serums and facial oils when controlled drops, formula visibility, and a familiar premium ritual matter. Neither format is automatically “best”: the final package must pass compatibility, stability, dispensing, leakage, and transport tests […]

How to Inspect Cosmetic Packaging Before Shipment: Goods Inspection Process

How do you inspect cosmetic packaging before shipment? Start with an approved specification and golden sample, confirm that the order is complete and packed, draw units randomly from the entire lot, and check identity, appearance, dimensions, function, decoration, labeling, and export packing. Record every defect by severity and compare the results with the buyer-approved sampling […]

What Packaging Is Best for Vitamin C Serum? Glass or Plastic?

The best packaging for vitamin C serum is usually an opaque, low-air-return dispensing system that has passed compatibility and stability testing with the finished formula. For a water-based L-ascorbic acid serum, a well-designed airless pump is often the strongest starting point because it limits repeated air exchange and user contact. Dark amber or black glass […]

Cosmetic Packaging Sampling Process: Buyer’s Quality Guide

A practical guide to cosmetic packaging samples, golden-sample approval, formula testing, supplier quality control and first-time importing from China.

Hair Care Packaging Guide: Materials, Bottles & Pumps

A technical buyer’s guide to choosing materials, bottles, closures and capacities for shampoo, conditioner, hair dye, masks, oils and salon hair care products.

How Much Does a Custom Cosmetic Bottle Mold Cost? Prices of Glass and Plastic Molds

A practical buyer’s guide to custom cosmetic bottle mold costs, material-specific tooling, quote evaluation, remolding decisions and sourcing risk control.

Stock Packaging vs Custom Mold Packaging:Pros and Cons & How to choose

Stock packaging and custom mold packaging solve different business problems. Stock bottles and jars help brands launch faster, preserve cash, and test demand. A custom mold creates a proprietary shape or function, but it also adds engineering work, tooling investment, validation cycles, and greater production risk. The right choice is rarely based on appearance alone. […]

How to Open a Lotion Bottle Without a Pump: Guide to Unlocking the Bottle Pump

A pump makes lotion convenient—until the head will not unlock, the dip tube stops drawing product, or the mechanism fails with lotion still inside. The right way to open the package depends on what is actually stuck: the locking actuator, the threaded closure, or the pump mechanism itself. Quick answer: If you need to open […]

How to Open a Shampoo Pump That Won’t Open: Unlock a shampoo pump bottle

A new shampoo bottle should be simple: turn the pump, let the actuator rise, and press. When it stays locked, however, twisting harder is rarely the best first move. The closure may be rotating with the head, the transport lock may still be engaged, or dried formula may have bonded the moving parts. Quick answer: […]

What Type of Spray Bottle Is Best for Essential Oils? Best Spray Bottles for Body Oil

Quick answer: For concentrated essential oils or high-oil formulas, start with an amber or cobalt glass bottle and an oil-compatible fine-mist sprayer. Properly diluted commercial sprays may also use PET or HDPE, but the complete package—bottle, gasket, spring, dip tube and nozzle—must be tested with the finished formula. What Type of Spray Bottle Is Best […]