Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle

AMMONIUM PERSULFATE.

Avoid CAS 7727-54-0 / BLEACHING, OXIDISING

Ammonium Persulfate is a powerful oxidizing agent primarily used in hair products for bleaching and can also function as a bleaching enhancer in some cosmetic applications.

bleaching oxidising

Science

It generates sulfate radicals that oxidize melanin in hair, leading to decolorization. On skin, these radicals can react with organic materials and proteins, potentially causing irritation or hypersensitivity reactions.


Research

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A 2001 CIR report found a mixture of persulfates at 17.5% under occlusion was not sensitizing or urticarial.
  2. 02 A 2015-2019 study identified a 2.85% allergic reaction prevalence at 2.5% in patch testing, indicating it as an occupational allergen.
  3. 03 CIR's 2015/2017 assessment estimated an EC3 value of 1.9%, categorizing it as a moderate skin sensitizer.

Transparency

Not commonly dusted

There is no available data regarding this ingredient being commonly dusted in cosmetic formulations.


The Formula

Solubility
Water
Optimal pH ≤4
0 7 14

Stability

Aqueous solutions are acidic and slowly decompose at room temperature, forming ammonium bisulfate and releasing oxygen. It decomposes rapidly above 120°C.

Conflicts

  • reducing agents
  • organic materials
  • powdered metals (aluminum, zinc)
  • strong acids
  • alkalis
  • moisture (causes decomposition)

Safety

CIR Status
Safe with restrictions
Max tested
60%
Sensitization risk High

The CIR deems it safe for rinse-off hair colorants and lighteners with brief, discontinuous use. Data is insufficient for leave-on products, and concentrations above 17.5% may cause urticarial reactions.


Your Skin

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy High
Comedogenicity Unknown

Our Assessment

Avoid

Due to its high irritancy, significant sensitization risk, and restricted use to rinse-off applications, Ammonium Persulfate is not suitable for precision skincare.


Related

Finding similar ingredients…