is there a reusable holder for the block available?

No, we do not have one, we can certainly look into this for our customers, I shall bring up your question at our next production meeting. Kind regards Crystal Spring Team

Isn't the ingredient "Alum' still aluminium that people wish to avoid?

Yes, but it isn't aluminium chlorohydrate, which is what you should avoid. This form of aluminium is perfectly safe. In fact it's found in lots of food so you eat around 50 mg each day anyways.

I have heard that that 'Alum' ingredient listed is actually a form of aluminium. Is this true?

Our deodorants (sprays, roll-ons and crystal sticks) contain potassium alum which is not the same as aluminium chlorohydrate which is found in many other brands of anti-perspirants/deodorants. Alum is a type of chemical compound which is a salt of aluminium, and is a naturally mined mineral salt, which has a long history of safe use as a deodorant ingredient. Due to its size it cannot be absorbed by the skin and only acts positively on the skin surface. It is the aluminium chlorohydrate, a synthetically made product that can be absorbed by the skin, which has previously had health scares associated with it.

What kind of packaging does this deodorant come in? Is the flask made of plastic or glass? Thanks!

It's plastic I'm afraid. It's great though, I really like how it works!

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Description

✨ Stay Fresh, Stay Ethical – The Crystal Clear Choice 🧊

NO RESIDUE NO MARKS - Glides on clean, damp skin leaving zero white marks or sticky residue, keeping your style fresh and flawless.
TRAVEL READY COMPACT - Slim, lightweight design fits effortlessly in your pocket or bag—perfect for busy professionals on the move.
PURE MINERAL PROTECTION - Crafted from a single natural ingredient, potassium alum, for effective odor neutralization without blocking pores.
AWARD WINNING NATURAL CARE - From a family-run UK brand using renewable energy, recognized with 58+ awards including Best New Vegan Beauty Product.
CERTIFIED VEGAN CRUELTY FREE - Backed by The Vegan Society and Leaping Bunny, ensuring ethical beauty that aligns with your values.

Salt Of the Earth Travel Sized Natural Deodorant Crystal is a 50g fragrance-free, vegan deodorant made from 100% potassium alum mineral salt. Designed for long-lasting odor protection without clogging pores, it’s compact for travel and leaves no residue or white marks. Certified by The Vegan Society and Leaping Bunny, this award-winning deodorant supports ethical, natural personal care with a commitment to sustainability.

Specifications

Manufacturer	Crystal Spring Consumer Division Ltd
Package dimensions	6.8 x 3.8 x 3.7 centimetres
Package Weight	0.07 Kilograms
Item dimensions L x W x H	36 x 36 x 68 millimetres
Item weight	0.08 Grams
Brand	Salt Of the Earth
Colour	Clear
Format	Crystal
Volume	50 Millilitres
Scent	Unscented
Skin type	Normal
Special features	100% Origin Natural, Alum Stone Block, Not Tested On Animals, Travel Size
Speciality	Suitable for Vegans, Suitable for Vegetarians
Target audience	Unisex-Adults
Language	English
Item model number	CRYS15
Product Dimensions	3.6 x 3.6 x 6.8 cm; 0.07 g
ASIN	B001F4HBB6

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