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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75G Plastic Free Crystal

Product ID: 170419808

Details

Brand
Salt Of the
Item form
Stick
Item volume
75 Millilitres
Material Type Free
Chemical Free
Material feature
Fragrance Free
Number of items
1

🕒long-lasting, up to 48h protection

🧪1 ingredient: pure potassium alum

♻️plastic-free recyclable sleeve

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NZ$24

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

♻️ Stay fresh, stay fierce—naturally unstoppable.

ECO CHIC PACKAGING - Plastic-free, recyclable cardboard sleeve aligns with your sustainable lifestyle goals.
PURE MINERAL POWER - Crafted from 100% natural potassium alum for effective odor neutralization without clogging pores.
INVISIBLE FRESHNESS - Leaves no white marks or sticky residue—keep your clothes and confidence spotless.
CERTIFIED COMPASSION - Vegan Society & Leaping Bunny approved, ensuring cruelty-free and ethical beauty.
ENDURING PERFORMANCE - One crystal lasts months, delivering up to 48 hours of odor protection—economical and reliable.

The 75G Plastic Free Crystal deodorant is a minimalist skincare essential made from a single natural ingredient, potassium alum. Designed for sensitive skin and active lifestyles, it offers up to 48 hours of odor protection without synthetic chemicals or plastic waste. Packaged in recyclable cardboard, this vegan and cruelty-free deodorant leaves no residue or white marks, supporting both your skin’s health and eco-conscious values.

Specifications

ASIN	B07WHCHM4X
ASIN	B07WHCHM4X
Application Method	Wet application
Benefits	Effective for active people
Best Sellers Rank	335 in Beauty ( See Top 100 in Beauty ) 3 in Deodorant
Brand Name	Salt Of the Earth
Branded Scent	False
Country Of Origin	China
Country of origin	China
Customer Reviews	4.3 4.3 out of 5 stars (9,750)
Customer reviews	4.3 4.3 out of 5 stars (9,750)
Global Trade Identification Number	05025452000755
Item Form	Stick
Item Type Name	Natural Deodorant Crystal Stick, Crystal Deodorant, Post shaving Alum block
Item Volume	75 Millilitres
Item Weight	83 Grams
Item model number	CRYS75CPF
Manufacturer	Crystal Spring Consumer Division Ltd
Manufacturer	Crystal Spring Consumer Division Ltd
Manufacturer Part Number	CRYS75CPF
Material Features	Fragrance Free, Natural, Vegan
Material Type Free	Chemical Free, Fragrance Free, Plastic Free
Model Number	CRYS75CPF
Number of Items	1
Product Dimensions	3.6 x 2.9 x 6.8 cm; 83 g
Scent Name	Unscented
Special Features	100% Origin Natural, Alum Stone Block, Not Tested On Animals, Plastic Free
Target Audience	Unisex-Adults
Target Use Body Part	Arm
Unit Count	75.0 gram

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