Hypochlorous Acid

HYP

7/10

Concern level

High concern

Hypochlorous acid is a small, reactive oxidizing antimicrobial used in topical hygiene, wound-care, and skin-cleansing products. In skincare it is valued for broad antimicrobial activity and generally good tolerance when properly formulated near neutral pH.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

Acne-fightingAntiseptic

Chemical Properties

Molecular Weight

52.46 g/mol

pH Range

5.50 - 7.50

Typical Concentration

0.01% - 0.02%

CAS Number: 7790-92-3

Skin Type Compatibility

dry skin6/10

oily skin9/10

sensitive skin7/10

acne prone9/10

mature skin7/10

normal skin8/10

Interactions

incompatible with: avoid combining in the same formula with strong reducing agents, avoid mixing with acids or alkaline materials that destabilize free available chlorine, avoid direct co-formulation with peroxide-based actives unless stability is demonstrated

Risks & Warnings

Can sting or irritate eyes, mucosa, or compromised skin if too concentrated, too acidic, or improperly stabilized. Oxidizing chemistry can be incompatible with some actives and packaging systems. Avoid ingesting or using in place of medically indicated wound care.

Vegan Cruelty-Free