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Ammonium Persulfate

Ammonium Persulfate is an oxidizing agent primarily used in hair coloring and bleaching products. It helps to lighten hair by breaking down melanin pigments. Due to its strong oxidizing properties, it can be irritating to the skin and respiratory system.

Oxidizing agentVegan
BenefitMinimal 0.5 / 4
RiskSerious 3.5 / 4
Irritation i3 / 4

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

Sensitization i2.5 / 4

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

Systemic exposure i1 / 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.

Rated by SpottyLabs' ingredient methodology, independent of brands.

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Frequently asked questions

What is Ammonium Persulfate used for?
Ammonium Persulfate is mainly used in hair care products, specifically in hair bleaches and lighteners. It acts as an oxidizing agent to remove natural hair color pigments.
Are there risks associated with Ammonium Persulfate?
Yes, it can cause skin irritation, allergic reactions, and respiratory issues if inhaled. It is important to use products containing this ingredient according to instructions and perform a patch test.