Hair Color Study invivosunscreen from different manufacturers
$47500.00
Description
from different manufacturers
a harmful chemical compound
Confirms broad-spectrum coverage
and skin cancer
Hair Color Study invivosunscreen from different manufacturersThe Hair Color Study aims to assess the safety and efficacy of liquid, gel, and cream oxidation hair dyes based on para phenylenediamine (PPD) and aryl amine. Procedure: Sample Collection: Obtain samples of liquid, gel, and cream oxidation hair dyes from various manufacturers. Testing Protocol: Conduct laboratory tests to evaluate the following characteristics: Matter is insoluble in boiling water Fineness Moisture and volatile matter pH of aqueous
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