Another said they liked it for really hot days as you don't get the creamy residue you can get with some paste or cream formulas, though they did find it slightly more irritating on freshly shaved skin. Admittedly, I am finding that I am sweating more than I did when I used anti-perspirants, which makes sense. So out of a little bit of fear of being a sweaty mess in this unprecedented heat, I’ve been using the crystal deodorant a little more generously.

Be cautious with products containing bicarbonate of soda (also known as sodium bicarbonate or baking powder) or essential oils if you have sensitive skin or if you tend to shave your underarm hair, as it might cause irritation. Aluminium spray cans often have some plastic parts, such as nozzles and lids, that are harder to recycle, while aerosol sprays have their own environmental implications. NATURAL DEODORANT - Certified COSMOS Natural. Formulated without synthetic additives, the Salt of the Earth Unscented Natural Deodorant Spray is 100% natural, gentle on your skin and made from a mix of natural mineral salts, essential oils and aloe vera.Certified COSMOS Natural by the Soil Association. It’s also certified by The Vegan Society and Leaping Bunny approved. This deodorant is gentle on your skin and formulated with natural mineral salts, magnesium, aloe vera and rosemary leaf extract. You can buy the crystal on its own, or the company also sells one encased in a plastic base. In both cases, you wet the product slightly before use or rub it on to damp skin. Bottom line? We were impressed with this crystal deodorant and would definitely recommend it to anyone looking for an effective and completely natural formula. It's worth remembering that natural ingredients can still cause skin reactions. For example, bicarbonate of soda can irritate the skin and cause itchiness, especially if used after shaving, and some essential oils that are commonly found in natural deodorants might also cause skin irritation.

Be prepared for a transition period in which your armpits get used to the switch from antiperspirant to natural deodorant - and don't give up in the first few weeks of use. We've rounded up the key players, costs, eco and ethical claims, and some insights from users to help you decide.I wore Salt of the Earth’s Natural Deodorant Crystal for 6 weeks, and here’s how I found it. Today we’re talking in-depth about sweaty pits and body odour. Lovely. Making the switch at a time when you don't have lots of high-stress work, activities or social events will take the pressure off. Several brands offer this option and several also offer stronger or more gentle formulations (usually based on the amount of sodium bicarb) for different activity levels or those with more sensitive skin

For that reason, Salt of The Earth's range of roll-on deodorants are definitely worth a look if you'd rather save the faff of wetting and drying your deodorant each time. LOOKING to switch to a natural deodorant? Read on for our Salt of the Earth Classic Crystal Deodorant review. This product is a crystal made from potassium alum - a natural mineral salt - and sits on the surface of the skin in a microscopic layer, where it kills bacteria. Ammonium alum is another one you'll commonly find in this type of product. If you're choosing to avoid aluminium out of personal choice, bear in mind that some natural deodorants that use 'natural mineral salts' still technically contain it.

You won't currently find most of these products in high street stores (aside from Holland and Barrett, which has a good range), so it can take a bit of time and research to figure out what's out there and what's best for you. To keep it equal, and hopefully to appeal everyone’s lifestyle, I’ve kept a fairly strict criteria and rating scale of how I’m reviewing these deodorants.

The use of crystal deodorants isn’t a new discovery: according to historical texts, the Romans were well aware of deodorising effect of alum. Having researched the best eco-friendly deodorants, I’ve been compelled to give some of these a full user review.

The verdict: is Salt of the Earth Classic crystal deodorant worth the money?

A key fear is around aluminium in deodorants potentially causing cancer. The theory is that aluminium compounds such as aluminium chlorohydrate or aluminium zirconium, used to stop sweating, can be absorbed through the underarms and cause breast cancer.