If you think that avoiding body odor in summer is just a matter of covering yourself in perfume or using any random deodorant, this article will completely transform your routine. As I recently shared in my Instagram Reel, sweat is actually completely odorless. Today, we will learn how to treat our underarms with the same care and attention we give to our face, discover why we shouldn’t confuse deodorants with anti-perspirants, and explore the scientific protocol for long-term control of excessive sweating that lasts even after showering. Let’s start with the biology of our glands!
Introduction: The Difference Between Smelly Sweat and Hyperhidrosis
When the heat arrives and temperatures rise, the issue of sweating inevitably surfaces. To address this issue with scientific accuracy, we must distinguish between two completely different biological conditions:
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Normal sweating with bad odor (Bromhidrosis): Caused by the skin microbiome. Bacteria naturally present on the skin break down sweat (which is initially odorless), producing volatile fatty acids responsible for the unpleasant smell.
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Hyperhidrosis: A medical condition involving excessive, uncontrollable, and debilitating sweat production by eccrine glands, going beyond the body’s normal thermoregulation needs.
1. Medical Treatments: Underarm Botox
In dermatology and aesthetic medicine, botulinum toxin represents a gold-standard clinical solution for severe primary axillary hyperhidrosis. It works by temporarily blocking the chemical signals from the nervous system (specifically acetylcholine) that stimulate sweat glands. It is an extremely safe outpatient procedure, with results lasting 6 to 9 months, making it perfect to schedule right before summer.
2. Pharmacy Solutions: Cantabria Labs
For medical-grade topical management, there is a specific prescription cream: Axhidrox by Cantabria Labs. It contains glycopyrronio bromide (1%) and is approved for severe primary axillary hyperhidrosis in adults and adolescents over 12. It blocks acetylcholine receptors locally. It is applied daily for 30 days using the cap to avoid hand contact, then reduced to 3 times a week under medical supervision.
3. Daily Treatment: Long-Term Intensive Anti-Perspirant Roll-On
If you do not suffer from clinical hyperhidrosis but still experience heavy sweating that causes embarrassment during daily “OPS moments” (like meetings or dates), the ideal cosmetic and dermatological answer is a high-tolerance intensive anti-perspirant roll-on treatment.
Unlike traditional deodorants that only mask odor with strong fragrances, this type of formula reduces the sweat flow at the surface without clogging pores. Its formula features ultra-absorbing starch (such as rice starch), a breathable barrier, and a soothing complex with 0% alcohol and no perfume, making it highly tolerable even post-shaving.
Its 3-week ritual consists of:
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First week: Applying it for 6 consecutive days.
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Second week: Applying it every other day.
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Third week onwards: Applying it just once a week, as the formula remains fully effective through showering.
4. The Latest Trend: Liquid Exfoliants for Underarms
Using facial exfoliating acids under the arms helps lower the pH, eliminating odor-causing bacteria and fading post-depilation dark spots.
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7% Glycolic Acid Solutions: Alters the environment to prevent bacterial growth.
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2% BHA (Salicylic Acid) Liquid Exfoliants: Uses salicylic acid to clear pores, making it perfect for ingrown hairs and sweat-induced bumps.
5. Purifying Cleansers in the Shower
Odor prevention starts in the shower.
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Acidic pH Cleansers with Thyme Extract: Features natural antibacterial and antifungal properties, making it excellent for washing underarms and feet.
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Smoothing Cleansers with Salicylic Acid and Ceramides: Combines salicylic acid and essential ceramides, ideal for those experiencing keratosis pilaris or body blemishes due to summer sweat.
6. Natural and Effective Alternatives
For days when an intensive treatment isn’t required, there are advanced plant and mineral-based options.
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Pure Micro-Silver Anti-Odor Cream: A highly concentrated vegan cream made with pure micro-silver and zinc oxide. It inhibits bacterial growth entirely without blocking sweat, requiring application only every 3-4 days, remaining fully effective through sports and showers.
Conclusions and Doctor’s Advice
Skin health and odor control require a scientific, non-aggressive approach. Avoid products high in alcohol or fragrances immediately after shaving to prevent irritative dermatitis. Listen to your body’s needs and build a tailored routine.
To deepen your 360° skincare knowledge, I invite you to read my book “Via Bellezza” and subscribe to my official newsletter to stay updated with the latest scientific evidence.