KOSUI

Aluminum chloride forms temporary plugs in the sweat ducts, which significantly reduces underarm sweating. This can be helpful if you experience excessive sweating (hyperhidrosis) or want extra dryness.

2. Helps control body odor
Since sweat is a main factor in body odor, reducing sweat can also help lessen odor. Many formulas combine aluminum chloride with fragrance or antimicrobial agents for added odor control.

3. Longer-lasting protection
Compared with regular deodorants, sprays with aluminum chloride (especially in 10–20% concentrations) can keep underarms dry for hours and reduce the need for frequent reapplication.

4. Can improve confidence and comfort
For people who sweat heavily, using aluminum chloride products may reduce embarrassing sweat stains and chafing, leading to greater comfort and confidence, especially in warm climates or during stress/exercise.

💡 How It Works

When applied to clean, dry skin, aluminum chloride interacts with sweat to form a temporary physical barrier in the sweat glands, reducing the amount of moisture that reaches the surface.

From my trusted derma

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