What Causes Underarm Odor? The Science Behind Body Odor and How Shea-Mergency Helps
Many people believe sweat is what causes body odor, but that's actually a myth. Sweat itself is mostly odorless. The real cause of underarm odor is a biological process involving sweat glands, skin bacteria, and the breakdown of proteins and fats on the skin.
Understanding how odor develops can help you choose a deodorant that addresses the source of the problem rather than simply covering it up.
Step 1: Your Body Produces Sweat
Your underarms contain two types of sweat glands:
Eccrine Glands
These glands are found throughout the body and produce mostly water and salt. Their primary purpose is to cool the body through evaporation.
Apocrine Glands
These glands are concentrated in areas such as the underarms and groin. They release a thicker fluid containing proteins, lipids (fats), and other organic compounds. Interestingly, this sweat has very little odor when it first leaves the body.
Step 2: Bacteria Feed on Sweat Components
Your skin naturally contains billions of microorganisms, including bacteria. Many of these bacteria are harmless and are part of a healthy skin microbiome. When apocrine sweat reaches the skin's surface, bacteria begin feeding on the proteins and fats contained in the sweat. As the bacteria break down these compounds, they produce waste products called volatile organic compounds (VOCs).
Step 3: Odor-Causing Compounds Are Released
These bacterial by-products create the smells we recognize as body odor.
Common odor compounds can smell:
Sulfur-like
Onion-like
Sour
Musty
Pungent
The more bacteria interact with sweat, the stronger the odor becomes.
Step 4: Warm, Moist Conditions Increase Odor
The underarm area is naturally warm and often stays moist throughout the day. This environment creates ideal conditions for bacteria to multiply.
Factors that can worsen odor include:
Excess sweating
Physical activity
Tight clothing
Hormonal changes
Stress
Poor airflow around the skin
As bacterial activity increases, so does odor production.
Why Covering Odor Isn't Enough
Many deodorants simply use fragrance to mask odor after it has already formed.
While this may temporarily improve scent, it doesn't address the biological process that creates odor in the first place.
That's why odor often returns quickly once the fragrance fades.
How Shea-Mergency Addresses Underarm Odor Naturally
Shea-Mergency Original Formula Deodorant is designed to help manage the conditions that contribute to odor while allowing the body to sweat naturally.
Bentonite Clay
Bentonite Clay is a powerful natural clay known for its ability to absorb excess moisture, oils, and impurities from the skin. It is also a detoxifier which neutralizes toxins and works with other natural ingredients to inhibit bacteria.
By helping keep the underarm area cleaner and less damp, Bentonite Clay supports an environment that is less favorable for odor-causing bacteria. This helps address one of the key factors involved in odor formation.
Kaolin Clay
Kaolin Clay is a gentle mineral-rich clay that absorbs excess moisture while being kind to sensitive skin. It helps maintain a drier underarm environment without blocking sweat glands or interfering with the body's natural cooling process. The combination of Bentonite Clay and Kaolin Clay helps reduce the moisture that bacteria need to thrive.
The Shea-Mergency Difference
Unlike products that simply mask odor with heavy fragrances, Shea-Mergency focuses on supporting a healthier underarm environment.
By combining Bentonite Clay, Kaolin Clay, and other carefully selected ingredients, Shea-Mergency Original Formula Deodorant helps:
Absorb excess moisture
Support healthy skin
Reduce conditions that encourage bacterial overgrowth
Provide long-lasting freshness
Allow natural sweating
Control odor without harsh chemicals
The Bottom Line
Underarm odor is not caused by sweat itself. It develops when naturally occurring bacteria break down proteins and fats found in sweat, creating odor-producing compounds.
Shea-Mergency Original Formula Deodorant helps address the conditions that contribute to odor through the use of Bentonite Clay and Kaolin Clay, providing a natural solution that works with your body—not against it—for cleaner, fresher underarms every day.