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GL18 White Child Resistant Closure with Integrated Rim Dropper

Name: GL18 White Child Resistant Closure with Integrated Rim Dropper - BlueSky Solutions
SKU: GL18CRCW-IRD

GL18 white child-resistant closure with integrated rim dropper, PEHD/PP/PELD. Fits all GL18 bottles 5ml–100ml. 45° tilt operation. Ideal for essential oils, mouthwash and household wellness products.

MOQ and lead time applies – Please contact us for further details

The GL18 White Child-Resistant Closure with Integrated Rim Dropper (GL18CRCW-IRD) combines a child-resistant closure mechanism with a general-purpose rim dropper insert in a single GL18 assembly, manufactured in PEHD, PP, and PELD. The rim dropper operates at a 45° bottle tilt, allowing liquid to flow through the insert by gravity without full bottle inversion — delivering a practical, consumer-friendly dispensing experience suited to everyday personal care and household wellness products. The child-resistant mechanism requires a specific combination of actions to open that young children are statistically unlikely to perform successfully, making this closure the appropriate choice for essential oils, concentrated aromatherapy blends, mouthwash, topical preparations, and other consumer liquid products where child access presents a safety risk but where pharmacopoeial-grade dosing precision is not a requirement.

The distinction between this closure and the GL18CRCW-IVD is important: the rim dropper delivers general dispensing with inherent variability in drop size, while the vertical dropper delivers ±10% precision dosing aligned to European Pharmacopoeia monograph 0672. For consumer products where approximate drop delivery is acceptable and child safety is the primary closure requirement, the GL18CRCW-IRD is the appropriate and more accessible specification. As part of the GL18 system (also known as NW18 or DIN168), this closure is fully interchangeable across all GL18 glass dropper bottles in the BlueSky range — 5ml to 100ml, in both amber and clear glass. Contact BlueSky to confirm stock availability, MOQ, child-resistant certification status, and tamper-evident band options.

Additional information

Material	PEHD/PP/PELD
Neck size	GL18

Child-Resistant Mechanism — Consumer Product Safety

The GL18CRCW-IRD features a child-resistant closure mechanism requiring a specific combination of actions to open — actions that young children are statistically unlikely to perform successfully, while remaining practical for adults. For consumer products containing essential oils, concentrated aromatherapy blends, mouthwash, or other liquid formulations presenting an ingestion or contact risk to children, a child-resistant closure is the appropriate safety specification and may be a regulatory requirement depending on product category and market. Please contact BlueSky’s team to confirm the child-resistant certification status of this closure before specifying for regulated applications.

Integrated Rim Dropper — 45° Tilt, Everyday Dispensing

The rim dropper operates at a 45° bottle tilt, delivering liquid through the insert by gravity without the bottle needing to be fully inverted. This makes it intuitive for everyday consumer use — the user tilts the bottle toward the application area and drops are delivered directly, without requiring a specific inversion technique. Drop size is influenced by bottle angle, liquid viscosity, and flow rate, making the rim dropper suited to applications where approximate dispensing is acceptable rather than precise dose measurement.

General Dispensing — Not for Pharmaceutical Oral Drops

The rim dropper is a general-purpose dispensing format and is not designed to meet the dosing precision requirements of pharmaceutical oral drops, which require ±10% accuracy from the target dose weight in line with European Pharmacopoeia monograph 0672. For pharmaceutical oral drops, paediatric dosing formulations, or regulated liquid medicines requiring precise dosing combined with child resistance, the GL18CRCW-IVD — which combines the CRC mechanism with a precision vertical dropper — is the correct specification.

Three-Material Construction — PEHD, PP, PELD

The multi-material assembly is engineered for its specific functional roles: PEHD (high-density polyethylene) provides structural rigidity and chemical resistance in the inner cap body; PP (polypropylene) delivers the child-resistant opening mechanism; and PELD (low-density polyethylene) forms the flexible rim dropper insert. All three materials offer broad compatibility with cosmetic and personal care liquid formulations including essential oils, aqueous preparations, alcohol-based products, and mouthwash. Formulation compatibility testing is recommended prior to production, particularly for high-concentration essential oils or solvent-based formulations.

Universal GL18 Compatibility — 5ml to 100ml

The GL18CRCW-IRD is compatible with all GL18 glass dropper bottles in the BlueSky range — 5ml, 10ml, 15ml, 20ml, 30ml, 50ml, and 100ml — in both amber and clear glass. The GL18 neck standard maintains a consistent inner bore diameter of 10.65mm ± 0.15mm across all bottle volumes, meaning this closure specification does not change when bottle size changes within the range. For light-sensitive essential oil and aromatherapy formulations, amber glass provides UV protection that preserves formulation quality over the product’s shelf life.

Child Resistance Without Dispensing Complexity

Unlike the CRC vertical dropper — which requires formulation-specific geometric specification based on viscosity, surface tension, density, and target dose weight — the CRC rim dropper requires no such data to specify. It is a straightforward, general-purpose dispensing insert suitable for a wide range of cosmetic and personal care liquid viscosities, making it the most accessible child-resistant dispensing option in the GL18 system for consumer product applications.

Essential oils and concentrated aromatherapy blends
Mouthwash and topical oral preparations
CBD and botanical oils
Cosmetic facial serums and skin oils
Hair and scalp treatments
Topical antiseptics and would care

Delivery & Returns

Orders for products in our ‘In Stock’ ranges will normally be delivered within two working days. Our product ranges labelled as ‘Product MOQ Applicable’ may be subject to a lead time which will be confirmed to you when we receive your order. For information relating to delivery charges, please refer to the ‘Is there a carriage charge?’ section in our FAQs page.

In some instances, goods can be returned. Please view our full refunds policy in our terms and conditions here: Terms & Conditions.

Core Product Range

We endeavour to hold continuous stock of this product. We expect to stock these ranges for a significant period of time in the future. This ensures you can build ranges around them and rely on their availability both now and in the coming years.

In Stock

We hold these products in our UK warehouses for you and they are available for rapid delivery.

Product MOQ Applicable

These products are not currently available from our UK held stock. However, we can supply you from our flexible and solid, global supply chain. Please note that there are minimum order quantities (MOQs) associated with this product, and lead times may vary depending on the quantity ordered. For more information on MOQs and lead times, please contact: sales@blueskysolutionsuk.com

Additionally, we can create bespoke products for you whether through colour, decoration, or bespoke tooling - to your specification. Our team of product experts will work with you to understand your requirements and place the necessary orders.

Frequently Asked
Questions

What is the difference between this closure and the GL18CRCW-IVD?

Both closures combine a child-resistant mechanism with an integrated dropper, but the dispensing insert is different. The GL18CRCW-IRD uses a rim dropper — which operates at 45° tilt and is suited to general consumer dispensing of essential oils, serums, and mouthwash. The GL18CRCW-IVD uses a vertical dropper — which requires full 180° bottle inversion and delivers ±10% precision dosing aligned to European Pharmacopoeia monograph 0672. Choose the rim dropper for consumer products where approximate dispensing is acceptable; choose the vertical dropper for pharmaceutical oral drops and regulated formulations requiring precise dose delivery.

Do I need to provide formulation data to specify this closure?

No. Unlike the vertical dropper, the rim dropper does not require formulation-specific geometric specification — it is a general-purpose dispensing insert compatible with a wide range of cosmetic and personal care liquid viscosities. If your formulation is unusually viscous or contains high-concentration essential oils or aggressive solvents, please contact BlueSky’s team to confirm material compatibility before ordering.

Does this closure meet child-resistant packaging regulatory requirements?

The GL18CRCW-IRD features a child-resistant mechanism designed to prevent access by young children. For applications where child-resistant packaging is a legal requirement — such as certain household chemical and medicinal products — please contact BlueSky’s team to confirm the certification status of this closure before specifying. Your regulatory advisor can confirm the applicable packaging legislation for your product category and market.

Does this closure also provide tamper evidence?

The child-resistant mechanism and any tamper-evident band are independent functions in the GL18 CRC closure system. Please contact BlueSky’s team to confirm whether a tamper-evident band option is available for this specific closure SKU. For consumer products where both child resistance and tamper evidence are commercially or regulatorily required, confirming both functions at the specification stage is important before committing to production.

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GL18 White Child Resistant Closure with Integrated Rim Dropper

Additional information

Child-Resistant Mechanism — Consumer Product Safety

Integrated Rim Dropper — 45° Tilt, Everyday Dispensing

General Dispensing — Not for Pharmaceutical Oral Drops

Three-Material Construction — PEHD, PP, PELD

Universal GL18 Compatibility — 5ml to 100ml

Child Resistance Without Dispensing Complexity

Delivery & Returns

Frequently Asked
Questions

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GL18 White Child Resistant Closure with Integrated Rim Dropper

Additional information

Child-Resistant Mechanism — Consumer Product Safety

Integrated Rim Dropper — 45° Tilt, Everyday Dispensing

General Dispensing — Not for Pharmaceutical Oral Drops

Three-Material Construction — PEHD, PP, PELD

Universal GL18 Compatibility — 5ml to 100ml

Child Resistance Without Dispensing Complexity

Delivery & Returns

Frequently Asked Questions

Ready to discuss this product?

What our customers say

Download our

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Frequently Asked
Questions

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this product?