How to Soothe and Prevent Armpit Rashes: Your Ultimate Guide

Armpit rashes can be uncomfortable and frustrating, especially when they leave your skin irritated and itchy. Whether you're dealing with a deodorant rash or simply wondering, "Why are my armpits itchy?", this guide is for you. Learn how to identify the causes of armpit rashes, find relief with soothing treatments, and prevent them from coming back.
What causes armpit rashes?
Armpit rashes, also known as deodorant rashes, often show up as discoloration, itching, or irritation in the underarm area. These rashes can happen for several reasons, from skin sensitivities to product ingredients. Here’s what might be causing yours:
Deodorant ingredients
Some deodorants contain harsh chemicals like parabens, phthalates, and synthetic fragrances that can irritate your skin. These ingredients may disrupt your skin’s natural barrier, leading to a deodorant rash in your armpits.
Skin sensitivities
If your skin is naturally sensitive, it may react to certain fabrics, soaps, or sweat. This can result in itchy underarms or a rash under your armpit.
Allergic reactions
Allergic reactions to deodorants or other skincare products can also trigger armpit rashes. If you’ve started using something new and notice irritation, it could be the culprit.
Friction and sweat
When sweat combines with friction from clothing, it can create the perfect conditions for an armpit rash. This often happens in hot weather or during intense workouts.
How to heal an armpit rash
If you’re dealing with an armpit rash, here’s how to find relief and help your skin recover:
Step 1: Identify the cause
Take a closer look at what might be causing the rash. If you think it’s your deodorant, switch to a gentle, natural options like SheaMoisture deodorants. They’re free of harsh chemicals and packed with skin-nourishing ingredients like shea butter and coconut oil.
Step 2: Keep the area clean and dry
Clean your underarms daily with a gentle body wash and pat them dry with a soft towel. Avoid rubbing, as this can make the irritation worse.
Step 3: Apply soothing treatments
Calm your irritated skin with hydrating treatments like aloe vera, coconut oil, or shea butter. SheaMoisture products are made with fair trade shea butter, provide deep nourishment to support healing.
Step 4: Avoid irritants
While your rash is healing, skip any products or fabrics that might irritate your skin further. Stick to loose, breathable clothing and gentle deodorants that protect your skin such as the SheaMoisture Raw Shea Butter & Hyaluronic Acid Moisturizing Antiperspirant Deodorant Stick.
Step 5: Be patient
Healing takes time. Continue caring for your skin with soothing treatments and avoid potential irritants until your skin feels healthy and comfortable again.
How to prevent future armpit rashes
Once your skin has healed, it’s important to take steps to prevent armpit rashes from coming back. Here’s how you can keep your underarms rash-free:
Choose gentle deodorants
Swap harsh deodorants for natural options that are designed to be gentle on your skin. SheaMoisture deodorants are formulated with skin-loving ingredients to keep you fresh and irritation-free.
Keep your skin hydrated
Healthy skin starts with hydration. Use a moisturizer or lotion to keep your underarms soft and supple. Products, enriched with shea butter, provide long-lasting hydration to protect your skin. Try the Raw Shea Butter Hydrating Body Lotion.
Wear breathable fabrics
Clothes made from natural, breathable fabrics like cotton can reduce friction and allow air to circulate, preventing sweat buildup and irritation.
Practice good hygiene
Wash your underarms daily with a gentle cleanser and keep the area dry. Go for SheaMoisture 100% Virgin Coconut Oil Daily Hydration Body Wash. If you sweat a lot, carry wipes or a small towel to freshen up throughout the day.

Why gentle deodorants are your best ally
Melanin-rich skin often face unique concerns like hyperpigmentation, uneven tone, and sensitivity, requiring tailored care. Look out for deodorants and skincare solutions that are designed to soothe, protect, and nourish your skin while being free of harmful ingredients. Here’s why SheaMoisture is the perfect partner for your underarm care:
Gentle formulations
Parabens, phthalates, sulfates, and other harsh chemicals that can irritate your skin. Instead, SheaMoisture uses natural ingredients like shea butter and aloe vera to provide gentle, effective care.
Skin-loving ingredients
Hydrating ingredients like coconut oil and shea butter are known for their moisturizing and soothing properties. When you have these in your deodorant, you give your underarms extra nourishment.
Ethical sourcing
SheaMoisture sources shea butter from women-led cooperatives in West Africa, supporting fair wages and empowering communities.
Armpit rashes don’t have to be a recurring issue. By understanding the causes of deodorant rash and using gentle, nourishing products, you can keep your skin healthy, comfortable, and rash-free. Remember, your skin deserves the best care, and SheaMoisture is here to help every step of the way.
Dive into more self-care tips and how-to guides.
- slide 1
- slide 2