Oulete journal
Packaging decisions, made clearer.
Technical guides and sourcing frameworks for cosmetic packaging buyers.
Containers only — no compounding or filling.
In focus
Cosmetic packaging samples displayed in the Oulete showroom
Oulete · Shangyu, ShaoxingExplore the details
Oulete journal
Latest articles
Sample approvalHow to approve a cosmetic packaging sample before productionIdentify the complete assembly, then review appearance, formula, dispensing, filling-line handling and packing before production. Includes a blank decision record.Read more →ArticleIs ISO 22715 Mandatory? How Cosmetic Packaging Standards Relate to EU, US and China RulesUnderstand ISO 22715 vs ISO 22716, mandatory EU, US and China cosmetic labelling rules, and the bottle-and-carton evidence to approve before printing.Read more →ArticleLow-MOQ Cosmetic Packaging from China: Stock, Production and Split DeliveriesCompare stock purchases, factory orders and split deliveries for skincare launches. Separate the first shipment from total purchase and payment obligations.Read more →ArticleAirless Bottles for Skincare: PP vs PET vs PCR Airless Pump Buyer’s GuideCompare PP and PET airless assemblies, define component-specific PCR content, and specify formula, filling and sample checks before ordering skincare packaging.Read more →Article50 g Hot-Pour Deodorant Sticks: Filling and Platform ApprovalAssess a 50 g hot-pour deodorant stick: compare top and bottom fill, resolve g/ml capacity, and check platform movement before production approval.Read more →ArticleDropper Bulb Swelling: Material and Formula ApprovalAssess dropper bulb swelling by identifying the exact compound, documenting formula exposure and checking the matched assembly before approving a replacement or production order. Consider an illustrative enquiry: a…Read more →ArticleSpecify a Cream Jar Induction Seal Before FillingA cream jar induction seal needs a liner matched to the actual sealing surface, a defined closure arrangement, and validated filler settings. Start with the rim that receives the foil bond. A jar described as glass may…Read more →ArticleCustom Cosmetic Packaging: Preparing a Tooling BriefA custom cosmetic packaging tooling brief should describe the parts to be developed, the functions they must preserve and the evidence required before production. “We need our own mould” is an opening conversation, not…Read more →ArticleSourcing a Coordinated Airless Bottle Series for BrandsCoordinated airless bottle series sourcing requires a configuration list for every product in the range. Matching family names and capacities can help create a visual shortlist, but they do not establish shared pumps…Read more →ArticleCosmetic Pump Travel Locks: Choosing the Closed StateCosmetic pump travel lock selection is a choice about the complete pack’s closed state, how the user recognizes it and how the user reopens it. A label saying “lockable” leaves important questions unanswered: what…Read more →ArticleCosmetic Formula Viscosity: Selecting the Right PumpCosmetic formula viscosity pump selection starts with a measurement method, an intended dose and an identified dispensing assembly. A viscosity number alone cannot establish that a pump will prime, recover between…Read more →ArticleEU Fragrance Allergens 2026: Cosmetic Packaging ArtworkEU fragrance allergen labelling in 2026 starts with the finished formula; the approved ingredient text must then be allocated to the actual packaging presentation. An expanded allergen review can change the ingredient…Read more →ArticleRoll-On and Mist Spray: Developing a Dual-Ended Travel PackDual-ended roll-on and mist spray packaging needs separate confirmation of reservoir architecture, formula performance, both dispensing paths, filling access and the complete travel closure. The idea is one compact pack…Read more →ArticleRefillable Glass Jars: Magnetic Closure and Seal DesignA refillable glass cream jar with a magnetic closure needs separate decisions on formula sealing, refill retention, lid feel, stacking and complete assembly cost. A matte glass exterior, a removable cream refill and a…Read more →ArticleCosmetic Tube Filling and Sealing: Supplier HandoffCosmetic tube filling and sealing starts with the supplied tube state, matched machine parts, a controlled tail area and a trial using the actual formula. A finished sample can conceal an unresolved filling route. The…Read more →ArticleEmpty Cosmetic Bottle Storage: Recheck Before FillingEmpty cosmetic bottle storage requires protected openings, traceable component lots and supplier-specific conditions, followed by a documented recheck before stock reaches the filling line. Consider an illustrative…Read more →
ArticleCosmetic Packaging Technical Drawings: Buyer ChecklistA cosmetic packaging technical drawing should identify the body, closure, dispensing parts and assembled envelope, then connect each interface to a controlled revision. A bottle drawing arrives with an outside diameter…Read more →ArticlePCR Cosmetic Packaging Claims: Evidence Before ArtworkPCR cosmetic packaging claims need a defined component, supported recycled-content percentage and traceable evidence before the wording reaches artwork, quotations or distributor listings. “Thirty percent PCR” can…Read more →ArticleCosmetic Packaging Documents: A Component-Level ReviewCosmetic packaging compliance documents support purchasing decisions when their material, component, revision and test scope match the assembly that will actually be supplied. A supplier sends a resin statement and a…Read more →ArticleCosmetic Packaging Data Sheets: A Distributor’s GuideA cosmetic packaging product data sheet should identify the sellable configuration, distinguish catalogue references from approved specifications, and connect claims to current evidence. Consider a hypothetical…Read more →ArticleEmpty Cosmetic Bottle Export Packing: Buyer ChecklistEmpty cosmetic bottle export packing should define the shipped components, protection, carton contents and receiving instructions, with traceable counts and evidence for the agreed arrangement. Consider a hypothetical…Read more →ArticleCosmetic Bottle Decoration Durability: Approval GuideCosmetic bottle decoration durability needs separate adhesion, rubbing and exposure decisions, using identified decorated samples, applicable methods and acceptance criteria agreed before production. A metallic logo can…Read more →ArticleCosmetic Packaging Material Lists: A Buyer’s ChecklistA cosmetic packaging component material list identifies each supplied part, its material reference, formula-contact role and evidence for the specific assembly under review. “Acrylic bottle” may describe the part a…Read more →
ArticleCosmetic Packaging Change Control: Repeat Order GuideCosmetic packaging change control keeps repeat orders tied to approved component versions, with documented assessment and acceptance before a proposed substitution reaches production. A repeat purchase can carry the…Read more →
ArticleCosmetic Packaging Incoming Inspection: Defect RecordsA shipment can contain the correct number of cartons and still fail to provide the complete packs ordered. Pumps may belong to another revision, caps may be missing, or damage may be concentrated in one pallet. A…Read more →
ArticleCosmetic Bottle Colour Matching and Pantone ApprovalA brand can send the same Pantone reference to the bottle supplier, pump supplier and carton printer, then receive three surfaces that do not look like one family. The instruction may identify the intended colour, yet…Read more →
ArticleScreen Printing vs Hot Stamping for Cosmetic BottlesA metallic logo does not automatically require hot stamping, and a white logo does not automatically mean a simple screen-printing job. The bottle beneath the artwork determines what the decorator must prove. A dark…Read more →
ArticleFilled Cosmetic Packaging Leak Testing: A Buyer GuideCosmetic packaging leak testing evaluates the actual filled assembly under defined conditions, separating static sealing, dispensing behaviour and distribution performance before assigning a release decision. A bottle…Read more →
ArticleCosmetic Packaging Compatibility Testing: Trial PlanCosmetic packaging compatibility testing evaluates the actual formula and complete pack together, using controlled samples, justified exposure conditions, relevant measurements and agreed acceptance criteria. A bottle…Read more →
ArticleCosmetic Bottle Capacity: Nominal vs Brimful and FillNominal capacity names the bottle size; brimful capacity measures the empty cavity, while approved fill capacity depends on the assembled pack. A 30 ml serum bottle can have more than 30 ml of empty internal volume and…Read more →
ArticleDropper Pipette Length and Wiper Selection for SerumsChoose dropper pipette length from fitted internal geometry, then verify the bottle, closure, wiper and actual formula together under defined draw conditions. Why can two droppers marked 20/400 behave differently on a…Read more →
ArticlePump Output: Converting Grams to Millilitres per StrokePump output in millilitres per stroke equals delivered mass divided by the actual formula density, with matching temperature, assembly and actuation conditions. A quotation marked “0.20 g” cannot be compared directly…Read more →
ArticleAirless Bottle Not Dispensing After Filling: What to CheckAn airless bottle not dispensing after filling requires assembly identification, preserved failed samples and a recorded filling history before any model-specific troubleshooting begins. A filler presses a newly closed…Read more →ArticleGlass Airless Pump Bottles vs Plastic Airless Bottles: Which Is Better for Skincare Brands?You gain stronger product protection, sustainability, and premium brand image when you choose Glass Airless Pump Bottles for your skincare line. Airless packaging helps maintain the stability and potency of sensitive…Read more →ArticleHow to Select the Right Size for Dropper Bottles for Serum ProductsChoosing the right size for Dropper Bottles makes a big difference in how your serum performs and how clients perceive your brand. Smaller bottles protect active ingredients by limiting air exposure and contamination…Read more →ArticlePCR Plastic Bottles for Cosmetics: PET, HDPE, and PP Options ExplainedYou see PCR Plastic Bottles as a key solution for cosmetic packaging. PCR plastics come from recycled materials, helping brands lower their environmental footprint. PET, HDPE, and PP stand out as the main options…Read more →ArticleHow to Choose Airless Bottles for Lotion, Cream, and Serum ProductsYou need to choose airless bottles that match your lotion, cream, or serum’s viscosity for optimal performance and customer satisfaction. When you align the pump mechanism with your product’s consistency, you prevent…Read more →ArticleCustom Dropper Bottles for Essential Oils: Size, Color, Material, and Closure OptionsYou face many choices when selecting packaging for essential oils. Size, color, material, and closure options all shape the safety and appeal of your products. Custom Dropper Bottles let you control these factors. Your…Read more →ArticleHand Cream Tube Packaging: Size, Material, Cap, and Decoration OptionsSelecting the right hand cream tube packaging shapes your brand image and product performance. You can choose from popular sizes like 30ml, 50ml, 75ml, or 100ml, and opt for materials such as recyclable aluminum or…Read more →ArticleCosmetic Tube Packaging for Face Wash, Sunscreen, and Hand CreamOulete tube samples illustrate decoration and format. A photograph does not establish barrier performance or formula compatibility. A face wash, sunscreen and hand cream can use similar-looking tubes while requiring…Read more →ArticleAirless Bottle Manufacturers in China: How to Choose the Right Partner for Skincare PackagingOulete catalog component illustration. Confirm the specific model and bill of materials with the supplier. When comparing airless bottle manufacturers in China, ask each supplier to quote the same package specification…Read more →ArticleSunscreen Packaging Manufacturer Guide: Bottles, Tubes, Sticks, and Spray Packaging OptionsPump-bottle format reference from Oulete materials; these samples are not evidence of sunscreen compatibility. Select sunscreen packaging together with the formulation and filling teams. Bottles, tubes, sticks and…Read more →ArticleAirless Pump Jars for Face Cream: When Brands Should Use Jars Instead of BottlesAn ordinary refillable cream-jar reference from Oulete materials, shown for comparison. This catalogue reference does not depict or prove an airless mechanism. An airless pump jar may suit a face-cream project that…Read more →Photographed at Oulete
From the sample room to packed containers
See the facility and visible operations behind a packaging enquiry. For your selected assembly, ask which steps apply and request the corresponding sample and inspection records.
