Hypochlorite Ion

Hypochlorite ion is an inorganic oxidizing anion (OCl−) formed in alkaline chlorine solutions as the base of hypochlorous acid. Cosmetics rarely use it for antimicrobial cleansing or preservation, since it's unstable near skin pH and can irritate.
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Ingredient Snapshot

Overview
A strong antimicrobial rarely used in skincare due to irritation risk.
Category
Acne, Cleansing, Preservative
Type
Preservative

Ingredient Ratings

Overall Rating

Poor

Comedogenic Risk

None

Skin Benefits

Delivers potent antimicrobial action that can curb odor and blemish-related microbes, but tolerability is limited and cosmetic benefits are not well established.

Uses In Skincare & Cosmetics

Occasionally included in disinfecting cleansers, diluted spray mists, or rinse-off washes; seldom used in leave-on formulas due to irritation potential.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Can sting or irritate skin and eyes, especially in leave-on use or at higher concentrations. Best reserved for well-controlled, dilute rinse-off formats; those with sensitive or compromised skin should avoid exposure.

Is Hypochlorite Ion a Good Ingredient?

Rated Poor because, as a strong oxidant, it has high irritation potential and is unstable at skin-relevant pH, offering limited cosmetic advantage compared with safer alternatives. Its real strength is antimicrobial action, which suits disinfection contexts better than leave-on skincare, and that mismatch is why it rates so low.

Products with Hypochlorite Ion

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