No plastic packaging. No synthetic fragrance. No faff. Our Plastic Free Crystal Deodorant is made from just one ingredient: potassium alum, a natural mineral salt thatās been used for centuries as a deodorant. You simply wet the crystal and apply it to clean underarms ā creating an invisible layer of protection that helps reduce odour-causing bacteria.Ā

No aerosols, no overpowering scent, no drama. Just reliable, fragrance-free freshness that fits into even the most minimalist of routines.
š Why Itās a Great Swap for Plastic Free July
Not all deodorants are created equal ā and we donāt mean in terms of fragrance options or fancy packaging. If you're looking to reduce single-use plastic this month (or anytime), hereās why our Plastic Free Crystal is a go-to:
- Plastic-Free Packaging: Housed in recyclable cardboard ā no plastic cap, twisty bits, or dispensers here.
- Refill-Free Simplicity: It doesnāt need refilling. It just lasts. Some customers say theirs has lasted over a year with daily use.
- Fragrance-Free Flexibility: Unscented means it wonāt compete with your perfume, essential oils, or body spray ā and itās ideal if you prefer to keep things neutral.
š Low-Waste Living, The Easy WayĀ

If Plastic Free July feels a bit overwhelming, start with one product. This one. Itās the kind of swap that asks very little of you but gives back plenty ā less plastic in your routine, one less bottle in the bin, and more room for simple, sustainable habits. Deodorant doesnāt need to shout to be effective. The Salt of the Earth Plastic Free Crystal does its job quietly and consistently ā and we love it for that.
š”How to Use It:
- Wet the crystal under the tap (or apply straight after a shower).
- Rub it gently on clean underarms.
- Let it dry, pop it back in the box, and go.
Thatās it. Really. š¬ Tried It Already? Weād love to hear your Plastic Free July stories ā tag us on Instagram @SaltOfTheEarthNatural or drop a review on the product page!