6. Covers the skin imperfection & enlarge poresOpacifier
• Provides better coverage if the powder used has large surface area which also
depends upon the opacifier used
• E.g. Zinc Oxide, etc
Absorbs sebaceous secretion & perspirationAbsorbent
• E.g. Kaolin, Magnesium Carbonate, Precipitated Chalk (Calcium Carbonate),
Starch, Bentonite, etc
It adheres the powder to the skinBinder
• E.g. Magnesium Stearate, Zinc Stearate, Aluminum Stearate, etc
7. Prevent microbial growthAnti-septic
• E.g. Boric Acid, Chlorhexidine Diacetate, Bithional, etc
Provides slip & softness to the skinLubricant
• E.g. Talc, Colloidal Silica, etc
Imparts fragrancePerfume
• E.g. Perfume oil
19. Flow powder
• Determination of flow
property by using funnel
radius method
Particle size &
Abrasiveness
• Determination of particle
size by Microscopy or
Sieve analysis
• Abrasiveness is studied by
rubbing on smooth
surface & latter by using
Microscopy
Moisture content
• Determination by using
Moisture analyser