Hair Color Study invivosunscreen 9 as slightly irritative
$47500.00
Description
9 as slightly irritative
a harmful chemical compound
from different manufacturers
Treatment Duration: 5 days
Hair Color Study invivosunscreen 9 as slightly irritativeThe 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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