Compact Powder Study invivoefficacy or discomfort

or discomfort

and Wavy Hair

or any item that touches near eye area

maintaining SPF efficacy even after immersion in water for the claimed period

Method: BIS 4011

Compact Powder Study invivoefficacy or discomfortThe Compact Powder Study involves assessing the quality and safety of skin or compact powders according to IS 3959: 2004 standards. Procedure: This comprehensive study includes: Matter Insoluble Analysis: Determining the percentage of matter insoluble in boiling water to ensure purity and quality of the powder. Fineness Test: Evaluating the fineness of the powder by measuring the residue on 75 micron and 150 micron IS Sieves to ensure smooth texture