Yes, the glass pharmaceutical bottle is suitable for oil‑based and aqueous solutions, as well as for alcoholic preparations commonly used in cosmetics and artisan production. However, for very aggressive or atypical formulations we recommend carrying out your own short compatibility test to verify the stability of the mixture in contact with the glass and the dropper insert.

The packaging can be reused provided that basic hygiene principles are observed. Before each new filling, it is necessary to thoroughly clean the bottle and the dosing part and subsequently disinfect them with a suitable alcoholic agent, for example with isopropyl alcohol or plant‑based ethanol. After disinfection, allow all parts to dry completely at room temperature and only then refill them with a new product.

If you decide not to reuse the packaging, we recommend recycling it responsibly in accordance with local waste‑sorting regulations. After rinsing out any remaining contents, separate the glass part of the bottle from the plastic dropper insert and closures. Place the glass in the appropriate glass waste container according to the designation in the product parameter table, and place the plastic components in sorted plastic waste, provided they are recyclable according to the marking. In this way, you support the reuse of materials and reduce environmental impact.

Dark glass naturally reduces the penetration of light to the contents of the bottle, which is particularly beneficial for light‑sensitive oils, extracts and active substances. It helps slow down oxidation and degradation of certain ingredients, which can contribute to longer product stability. Nevertheless, we recommend storing finished products in a dry, cooler and shaded place, ideally away from direct sunlight.

The ribbed dropper insert is primarily designed for liquids with low to medium viscosity that can be dispensed dropwise or in small amounts. With more viscous oils or gel textures, the flow may be slower, therefore we recommend carrying out a trial filling to verify whether the dosing speed suits you. If necessary, you can choose another combination of packaging and closure within the Handymade range.

To select a suitable bottle, pharmaceutical bottle or other packaging, you can use the advanced filter in the packaging category. After clicking on the relevant category, the advanced filter is located at the top of the page and allows you to sort products according to parameters such as neck type, size, colour and material. This enables you to quickly narrow down the range to the packaging that will best suit your specific product and method of application.