Ingredient guide
Aluminum Compounds in Sunscreen
What Aluminum Compounds does in sunscreen and how it's regulated.
About Aluminum Compounds
A group of aluminum-based compounds used primarily as the active ingredient in antiperspirants.
Why brands use it in sunscreen
Aluminum salts are the only FDA-approved active ingredient for antiperspirant products. They physically plug sweat ducts to reduce perspiration.
Regulatory status
- US FDA: Approved as OTC antiperspirant active ingredient. Concentrations regulated (up to 25% for most aluminum salts).
- European Union: Not on the EU prohibited list (some ingredients have concentration limits)
- Canada: Not restricted
Common alternatives
Other ingredients formulators use for a similar job in sunscreen:
magnesium hydroxide
baking soda (sodium bicarbonate)
arrowroot powder
zinc ricinoleate
probiotic-based deodorants
Aluminum Compounds in other product types
FAQ
What is Aluminum Compounds?
A group of aluminum-based compounds used primarily as the active ingredient in antiperspirants.
Why is Aluminum Compounds used in sunscreen?
Aluminum salts are the only FDA-approved active ingredient for antiperspirant products. They physically plug sweat ducts to reduce perspiration.
How is Aluminum Compounds regulated?
Approved as OTC antiperspirant active ingredient. Concentrations regulated (up to 25% for most aluminum salts).
Does Numbrrrz lip balm contain Aluminum Compounds?
No. Numbrrrz is organic coconut oil, organic beeswax, organic jojoba oil and vitamin E, plus organic essential oils or flavoring in the scented versions. That is a formulation choice, not a judgment about other products.
