Is It Safe to Use Antiperspirants During Pregnancy and Breastfeeding? - Obstetrics and Gynecology

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Issues with the use of antiperspirants?


I have been using Rena antiperspirant spray for many years, and I recently found out that I am pregnant.
Can I continue to use it? I tend to sweat a lot under my arms, and I'm also concerned about whether long-term use of antiperspirants could affect the chemical composition of my breast milk.
Is it safe to breastfeed normally? I'm really worried!

Xunyi Cao, 30~39 year old female. Ask Date: 2005/07/17

Dr. Chen Nengjin reply Obstetrics and Gynecology


I do not have research on Reina antiperspirant spray, so I recommend that you bring the Reina antiperspirant spray to your prenatal check-up and discuss it with your physician in person.

Reply Date: 2005/07/17

More Info


Using antiperspirants during pregnancy and breastfeeding is a common concern among expectant and new mothers. Many women worry about the potential effects of the ingredients in these products on their health and the health of their babies. Let's delve into the safety of using antiperspirants during these critical periods.

First and foremost, most antiperspirants contain aluminum-based compounds, which temporarily block the sweat glands to reduce perspiration. There has been some debate about the safety of these compounds, particularly regarding their absorption into the body and any potential links to breast cancer or reproductive issues. However, current research has not conclusively proven that aluminum in antiperspirants poses a significant risk to pregnant or breastfeeding women. The American Cancer Society states that there is no strong evidence to support the idea that aluminum-based antiperspirants increase the risk of breast cancer.

In terms of using antiperspirants during pregnancy, the consensus among healthcare professionals is that it is generally safe. The skin's absorption of aluminum is minimal, and the levels that might enter the bloodstream are considered to be very low. Therefore, using antiperspirants as directed is unlikely to harm the developing fetus. However, if you have sensitive skin or experience any irritation, it may be wise to switch to a fragrance-free or hypoallergenic formula.

When it comes to breastfeeding, the concern about the chemical composition of antiperspirants affecting breast milk is also largely unfounded. The compounds in antiperspirants are not known to transfer into breast milk in significant amounts. The Centers for Disease Control and Prevention (CDC) and other health organizations indicate that it is safe to use antiperspirants while breastfeeding, and mothers can continue to use their regular products without worry.

If you are concerned about the long-term use of antiperspirants and their potential effects on your body or milk production, consider the following alternatives:
1. Natural Deodorants: These products often contain fewer synthetic chemicals and may be a suitable alternative if you prefer to avoid aluminum and other additives.

2. Lifestyle Changes: Staying hydrated, wearing breathable fabrics, and maintaining a cool environment can help manage sweating without the need for antiperspirants.

3. Consult Your Healthcare Provider: If you have specific concerns or experience unusual symptoms, discussing them with your doctor or a dermatologist can provide personalized advice.

In summary, using antiperspirants during pregnancy and breastfeeding is generally considered safe. The ingredients in these products are unlikely to pose a risk to your baby or affect your ability to breastfeed. However, if you have any concerns or experience skin irritation, it may be beneficial to explore alternative products or consult with a healthcare professional for tailored advice. Remember, every pregnancy is unique, and what works for one person may not work for another, so it's essential to listen to your body and make informed choices.

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