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How does the potassium alum used in Green People deodorants differ from aluminium salts?

10/02/2019 by Charlotte

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There are two main differences between Potassium Alum (Aluminium potassium sulfate dodecahydrate) and the salts Aluminium Chloride and Aluminium Chlorohydrate which are commonly used in antiperspirants.

These last two salts react with peptides and amino acids in the skin to form a gel which then blocks sweat ducts and glands, preventing perspiration. They also have a small molecular mass (typically between 250-350 Daltons) meaning that they can readily penetrate the skin and cross the skin/blood barrier, thereby entering the body.

Potassium Alum has a much larger molecule (around 480 Daltons) which is too large to be absorbed through the skin (the maximum size that can be absorbed is less than 450 Daltons). Instead of forming a gel, thereby preventing perspiration, Potassium Alum sits on the surface of the skin where it prevents the bacteria responsible for causing sweaty odours from multiplying.

Potassium alum deodorants by Green People

Safe and gentle on your skin, Green People's natural and organic deodorants keep you feeling fresh without the use of pore-clogging aluminium salts.

Natural Aloe Vera Deodorant 75ml

Aloe Vera & Prebiotics Deodorant 75ml

Refreshing Aloe Vera deodorant for all skin types

£10.50
Natural Rosemary Deodorant 75ml

Rosemary & Prebiotics Deodorant 75ml

Refreshing Rosemary deodorant for all skin types

£10.50
Quinoa & Prebiotics Deodorant 75ml

Quinoa & Prebiotics Deodorant 75ml

A gentle yet effective organic deodorant with prebiotics 

£10.50
Scent Free Deodorant 75ml

Scent Free Deodorant 75ml

An effective, ultra-gentle deodorant for sensitive skin

£10.50
Organic Homme 8 Stay Fresh Deodorant 75ml

Green People for Men - No. 8 Thyme & Prebiotics Deodorant 75ml

Roll-on men's deodorant for all skin types

£10.50
Organic Homme 8 Stay Fresh Deodorant 75ml

Green People for Men - No. 8 Thyme & Prebiotics Deodorant 75ml

Roll-on men's deodorant for all skin types

£10.50

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