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GLASS BOTTLES up to 10 ml
The glass 10 ml roll-on bottle is used for small quantities of liquid cosmetics applied directly to the skin: perfume oils, blends of essential oils in a carrier oil, oil-based facial serums or products for the temples… full description
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The glass 10 ml roll-on bottle is used for small quantities of liquid cosmetics applied directly to the skin: perfume oils, blends of essential oils in a carrier oil, oil-based facial serums or products for the temples and pulse points. The set is supplied complete and includes a glass bottle, a roll-on applicator with a metal roller ball and a black cap, so there is no need to buy any additional parts. The opaque white glass conceals the contents and limits exposure to light, which you will appreciate with oils and fragrance blends that lose quality in light. The 10 ml volume fits in a handbag, is practical for travel or serves as a sample for customers.
The bottle has an 18/410 neck finish, onto which the roll-on applicator is pressed. The applicator consists of a PP plastic housing with a steel roller ball seated in it. As it is drawn across the skin, the ball turns and carries the contents out. The cap screws on over the applicator, protects the ball from contamination and prevents leaking in a bag. A metal ball feels cooler to the touch than a plastic one, which is pleasant when applying to the temples or under the eyes.
Flow depends on the viscosity of the contents. Thin oils and alcohol solutions pass around the ball easily, while thick oils such as castor oil are dispensed more slowly. If a blend contains a high proportion of undiluted essential oils, check how the plastic housing behaves on a single piece before you fill a larger batch.
Thick creams, gels and products with undissolved particles do not belong in a roll-on bottle. The ball becomes blocked by them or scratches across the skin instead of turning.
When filling, the difference between the nominal and the total volume matters. The nominal volume of 10 ml is the quantity the bottle is intended for in normal filling. The total brimful volume is the physical volume up to the neck. The difference between them forms a reserve for the roll-on applicator, which extends into the neck once fitted, and for the expansion of the contents when the temperature changes. Fill only to the nominal volume, otherwise the contents are forced out when the applicator is fitted.
Fill the bottle using a small funnel or dropper and fit the applicator only after filling. With a narrow neck, oil easily spills down the outside and the thread then does not stay clean.
Before the first filling, wash the bottle, applicator and cap, disinfect them with isopropyl alcohol or ethanol and leave them to dry completely. Residual water in an oil-based product shortens its shelf life, and in a roll-on it collects mainly in the space around the ball.
Do not fill the glass with hot contents. Leave blends prepared while warm to cool to room temperature and only then pour them in. A sudden temperature difference can damage the glass, and a hot liquid changes volume as it cools.
The bottle can be reused. The roll-on applicator can be pulled out of the neck, but the housing around the ball is difficult to clean. When changing the contents, it is therefore better to wash the bottle and fit a new applicator.
The set is declared suitable for contact with cosmetic products; you will find the declaration of conformity with the product. This set is not intended for foodstuffs.
After use, the glass bottle belongs in glass recycling and the plastic cap in plastics recycling.
Great — Exactly what I wantd
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