DIY Hygiene: Make Your Bottles and Jars Like New with 3 Simple Steps

Before disinfecting, remove all visible traces of product. Meticulous washing will remove any greasy or sticky deposits that would prevent the alcohol from working effectively. Use hot water and a mild but degreasing soap, such as black soap, which is perfect for dissolving vegetable oil or butter residues. Use a bottle brush or small brush to reach the corners of narrower bottles.

After cleaning, it's time to disinfect. 90° alcohol is a powerful disinfectant, effectively destroying bacteria, yeast, and mould. Spray generously inside, on the screw thread, cap, and pump. You can also use disinfectant wipes. These areas in direct contact with your skincare products are often overlooked, yet they are a breeding ground for germs. 

For small accessories such as pipettes, spoons, or funnels, immerse them in alcohol for a few minutes or wipe them with a cotton pad soaked in alcohol.

Drying is an essential step, as any trace of moisture could compromise your preparations. Ideally, place the containers upside down on a clean cloth or absorbent paper towel. Allow air to circulate for a few hours to completely remove any residual moisture. Then store your disinfected bottles in a dry, dust-free place, ready for your next skincare routine.

Focus on the advantages of making your own homemade cosmetics.

Before each new use, be sure to inspect your jars and bottles. Cracks, dull plastic, or malfunctioning pumps are all signs that it's time to replace them. A damaged container can allow air or germs to enter and reduce the shelf life of your homemade cosmetics. Instead, opt for reusable, durable, and safe glass containers.

Pouring a new cream or serum over leftover products is a common but risky mistake. Residues, which are often invisible, can be contaminated and alter the new preparation. You may find that your product changes smell or texture, or does not keep well.

Always use an empty, clean, and dry bottle, taking the time to brush it with a cleaning brush if necessary.

Pipettes, measuring spoons, mini whisks, funnels — these tools come into direct contact with your formulations and should be disinfected just as thoroughly as your containers. They’re often overlooked in hygiene routines, yet they can harbour bacteria and mould just as easily.

Keeping your bottles and equipment properly clean helps extend the shelf life of your DIY skincare and ensures you get the very best from each product. With this simple routine, your homemade recipes maintain their quality, and your containers enjoy a new lease of life — practical, economical and eco-friendly.