What to Do with Used Mascara Brush Heads?

Update:2026-01-16
Summary:

When your mascara dries out or runs out, most people's first reaction is to throw it directly into the trash. However, in today's world where sustainable living is mainstream, how to properly dispose of cosmetic packaging materials, especially the various parts of mascara, has become a focus of attention for beauty enthusiasts.

1. A Guide to "Repurposing" Mascara Brush Heads

Mascara brush heads are usually made of durable nylon or silicone. With thorough cleaning, they can play a huge role in everyday life:

  • Cleaning Delicate Crevices: The fine bristles are an excellent tool for cleaning computer keyboards, jewelry crevices, or hair dryer filters.

  • Eyebrow Grooming: A clean brush head can be used as an eyebrow brush to shape eyebrows or brush away excess mascara after applying brows.

  • Smoothing Stray Hairs: Spray a little hairspray on the brush head and gently comb through stray hairs for a more natural look than a large comb.

  • Donate to Wildlife Rescue Organizations: Many wildlife centers collect cleaned mascara brush heads for use in cleaning parasites or wounds on small animals such as baby birds or squirrels.

2. Eco-friendly Disposal of Empty Aluminum Mascara Tubes

Currently, to reduce plastic use, many high-end or zero-waste brands are adopting empty aluminum mascara tube. Compared to traditional plastic tubes, aluminum has extremely high recycling value and can be recycled indefinitely.

How to Properly Recycle Aluminum Tubes?

  • Thorough Cleaning: Pour warm soapy water or makeup remover into the empty aluminum mascara tube, let it sit for a while, then shake and rinse to ensure no black mascara residue remains inside.

  • Disassemble Components: Mascara typically consists of an aluminum tube, an inner plastic insert (some models have this), and a brush. If possible, separate the aluminum tube from the plastic parts.

  • Sort and Dispose of: Clean aluminum tubes should be disposed of in the "Recyclables" category under Metals. Aluminum has very low degradation during recycling, making it an excellent environmentally friendly material.

3. Why Choose Refillable Mascara?

The best way to deal with used packaging is actually to "reduce production." More and more refillable products are appearing on the market using empty aluminum mascara tube. When you're finished, simply keep the aluminum casing and buy a new inner tube or brush. This not only reduces plastic waste but is also more economical in the long run.

Environmental Tip: When buying new products, prioritize brands with clear labeling, safe ingredients, and easily recyclable packaging. Aluminum packaging not only feels better but is also more desirable in the recycling chain than mixed plastics.

Disposing of used mascara isn't difficult: the brush can be donated or reused, while the empty aluminum mascara tube is a high-value recyclable resource. Next time you finish your makeup and use up the last drop of mascara, take a few extra minutes to sort it and lighten the burden on the planet.