Hormones and Deodorants

Hormones and Deodorants

The endocrine system is a complex network of glands that produce hormones to regulate various physiological processes in the body, including growth, metabolism, and sexual development. Hormones are chemical messengers that travel through the bloodstream to target cells and tissues.

Hormones and Deodorant Ingredients

There is some concern that certain chemical ingredients in deodorants and personal care products may affect hormone function. 

However, the evidence is limited and more research is needed to fully understand the effects of these ingredients on human health. Additionally, the skin is an effective barrier, and it is unlikely that the small amounts of these ingredients absorbed through the skin would have a significant impact on hormone levels. However, if you are concerned about potential hormonal effects, you may consider using deodorants without parabens or seeking out natural alternatives. 

Ingredients to Avoid in Deodorants 

Aluminium Compounds

Some traditional deodorants contain aluminium compounds, which are used as antiperspirants to block sweat glands and reduce sweating. However, there are concerns that these compounds can be absorbed through the skin and may have negative effects on the endocrine system, particularly by impacting the function of the estrogen receptors.


Parabens are a type of preservative commonly found in personal care products, including deodorants. They are used to extend the shelf life of these products and prevent the growth of bacteria and mould. Again there are some studies that suggest that parabens may mimic the activity of the hormone estrogen and potentially disrupt hormone function.


Phthalates are used as plasticisers to increase the flexibility and durability of products, and to help fragrances last longer but they have been associated with several health problems, including reproductive and developmental disorders, and increased risk of certain cancers. 

Triclosan was previously used in some personal care products, including deodorants, in the United Kingdom to reduce the growth of bacteria and reduce body odour. However, the use of triclosan has since been restricted in the European Union due to concerns about its potential impact on human health and the environment. In 2016, the European Commission restricted the use of triclosan in personal care products to a maximum concentration of 0.3%. 

Despite these restrictions, triclosan is still used in some personal care products in the UK, including deodorants, although it is becoming less common due to concerns about its potential impact on human health and the environment.

Switch to a Natural Deodorant

As mentioned, Natural deodorants are often considered better for the endocrine system because they do not contain certain chemicals that are found in traditional deodorants.

How Do Natural Deodorants Work?

Natural deodorants work by using ingredients such as baking soda, arrowroot powder, and cornstarch to absorb moisture and neutralise odour-causing bacteria. Essential oils, such as tea tree and lavender, may also be added for their antimicrobial properties. These ingredients work together to keep the underarm area dry and fresh-smelling. Unlike traditional deodorants which have antiperspirant which blocks the sweat glands, natural deodorants do not block sweat and instead focuses on neutralising the bacteria which causes body odour.


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