Aluminum-Free Coconut Deodorant

A small humectant and solvent molecule that helps other ingredients dissolve and helps skin hold water. It is one of the most studied cosmetic ingredients and is considered safe at the concentrations used in personal care products.

The base most products are built on. It carries the other ingredients and has no safety concern.

The sodium salt of stearic acid, used mainly to firm up stick deodorant bases and as a mild cleansing/emulsifying agent; CIR's fatty acid salts review found only minimal to mild irritation in concentrated, undiluted testing and no restriction on cosmetic use.

A corn-derived solvent and humectant that has largely replaced propylene glycol in "clean" formulas; CIR reviewed the alkane diol group and found use concentrations up to about 40 percent in leave-on products like deodorant sticks with no meaningful irritation signal.

A yeast ferment containing amino acids, vitamins, and polysaccharides used for hydration and skin conditioning. Published research indicates it is well tolerated and supports skin texture.

A mineral thickener and anti-caking agent widely used in sunscreens and cosmetics to control texture and prevent ingredient separation. CIR has reviewed silica in cosmetic use and found no basis for concern at the levels used topically.

A glycerin derivative used as a skin conditioner and preservative booster, often paired with phenoxyethanol to allow lower total preservative levels. It has a low irritation and sensitization profile in safety reviews.

A plant-derived emollient and preservative formed from glycerin and caprylic acid (coconut) that helps retain moisture and supports formula stability through mild antimicrobial activity.

Used in tiny amounts to set a product to skin-friendly pH. No concern at those levels.

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

Benzyl salicylate is a fragrance fixative that also absorbs some UV light. It is on the EU allergen disclosure list, but the evidence suggests it sensitizes fewer people than most other listed fragrance allergens.

A jasmine-like fragrance compound frequently used in soaps and lotions. It is one of the 26 EU-designated fragrance allergens, though studies suggest its sensitization potency is comparatively low relative to other listed allergens.

A floral fragrance component and one of the EU-labelled fragrance allergens. Usually fine, worth watching if you react to scented products.