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Oxyquinoline Sulfate

Oxyquinoline sulfate is a synthetic compound primarily used as an antiseptic and preservative in cosmetic and personal care products. It helps prevent the growth of bacteria and fungi, extending product shelf life and maintaining hygiene. It is also sometimes used for its deodorizing properties.

NoneAntisepticVeganEvidence: Medium
BenefitModerate 1.5 / 4
RiskModerate 2 / 4
Systemic exposure i1.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Irritation i1.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Sensitization i1 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

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Frequently asked questions

Is Oxyquinoline Sulfate safe for daily use?
While generally considered safe in low concentrations, some individuals may experience skin irritation or allergic reactions. Regulatory bodies have set limits on its concentration in cosmetic products due to potential systemic absorption concerns.
What is the main purpose of Oxyquinoline Sulfate in cosmetics?
Its primary role is to act as a preservative, preventing the growth of bacteria and fungi in cosmetic formulations. This helps to maintain the product's integrity and safety over time.