What Is Aluminum Calcium Copper Sodium Borosilicate?
Aluminum Calcium Copper Sodium Borosilicate is a specialized form of glass made from the oxides of silicon, boron, sodium, calcium, aluminum and copper. These oxides are heated until they fuse, a process called sintering, then the solid mass is cooled and crushed into a fine powder. The result is a stable, inert material that brings a sparkling finish to many beauty products.
The idea of using glass particles in makeup began in the early 2000s when formulators looked for safer, more vibrant options than plastic glitter. Borosilicate glass was already valued in cooking ware for its strength and clarity, so chemists adapted it for cosmetics. By adding metals like aluminum and copper they could create powders that catch and reflect light in subtle ways.
Today Aluminum Calcium Copper Sodium Borosilicate shows up in an array of products. You may find it in pressed and loose eye shadows, highlighters, lip glosses, nail polishes and even body lotions that promise a radiant glow. It is also used in some setting sprays and face masks when a soft sheen is desired.
Aluminum Calcium Copper Sodium Borosilicate’s Cosmetic Benefits/Uses
This ingredient appears on labels with the official role of a deodorant. In a formula it helps control body odor by reducing the growth of the bacteria that cause unwanted smells. Unlike traditional antiperspirants that block sweat, it works on the odor itself, making it a handy choice for natural style deodorant sticks, creams or sprays.
Who Can Use Aluminum Calcium Copper Sodium Borosilicate
This glass based powder is considered suitable for all skin types including oily, dry, combination and sensitive because it is chemically inert and does not react with skin oils or moisture. People with very delicate or compromised skin may want to avoid formulas that use high concentrations of the particles, as the physical texture could feel abrasive if rubbed in too firmly, but in most deodorant sticks or sprays the level is low and well buffered by other ingredients.
Aluminum Calcium Copper Sodium Borosilicate is a mineral derived ingredient produced through high heat processing of naturally occurring oxides, so it contains no animal sourced materials. That makes it acceptable for vegans and vegetarians as long as the finished product is not tested on animals and carries appropriate cruelty free certification.
Current cosmetic safety data has not flagged any special concerns for women who are pregnant or breastfeeding when this ingredient is used on intact skin. Because every pregnancy is unique, this is not medical advice and anyone who is expecting or nursing should check with a healthcare professional before adding new personal care products, just to be safe.
The powder does not make skin more sensitive to sunlight and it does not interfere with sunscreen performance. It is also fragrance free and does not add scent to formulas, a plus for those avoiding perfumes.
Potential Side Effects/Adverse Reactions
Responses to topical Aluminum Calcium Copper Sodium Borosilicate vary from person to person. The effects listed below are possible yet unlikely when the ingredient is used at normal cosmetic levels by reputable manufacturers.
- Minor skin irritation such as redness or itching on very sensitive skin
- Mechanical micro-scratches if the powder is applied with heavy pressure on damaged or freshly shaved skin
- Contact allergy presenting as a localized rash in individuals who are allergic to one of the metal oxides in the glass
- Eye irritation if particles accidentally get into the eyes during application
- Respiratory discomfort like coughing or sneezing if loose powder is inhaled
If any irritation or other adverse effect occurs stop using the product and seek advice from a healthcare professional.
Comedogenic Rating
Rating: 0 / 5
Aluminum Calcium Copper Sodium Borosilicate is an inert, inorganic glass powder that sits on the surface of the skin and does not dissolve or mix with skin oils. Because it has no oily or waxy components and does not form a film that traps sebum, it has virtually no potential to clog pores. For that reason it earns a solid 0 on the comedogenic scale.
For acne-prone or breakout-prone individuals this ingredient is generally considered suitable since it will not contribute to blackheads or whiteheads.
One point worth noting is that the overall comedogenicity of any finished product still depends on the full ingredient list. While this powder itself is non-comedogenic, pairing it with heavier oils or waxes could change the pore-clogging potential of the final formula.
Summary
Aluminum Calcium Copper Sodium Borosilicate is mainly used as a deodorant ingredient that tackles odor-causing bacteria rather than blocking sweat. Thanks to its glass-like structure it also adds a subtle light-reflecting sparkle, which can boost the visual appeal of certain personal care products.
Although not as mainstream as common antiperspirant salts or talc, this borosilicate powder has carved out a niche in natural deodorants and shimmer-focused cosmetics where a clean, inert and vegan-friendly ingredient is valued.
Current research shows it to be safe for topical use on intact skin with very low risk of irritation or pore blockage. As with any new skincare or personal care product, it is wise to perform a quick patch test when trying a formula that includes Aluminum Calcium Copper Sodium Borosilicate, just to make sure your skin agrees with the overall blend.