Covarine Black WS 9199
Sensient Cosmetic Technologies
March 2011
Covarine Black WS 9199
Dispersion of carbon black (D&C Black No.2) in water/glycerin system for hair care and make-up applications.
Patent pending technology.
Composition
CI 77266 (and) water (and) glycerin (and) PVP
Preservation system
Phenoxyethanol (and) dehydroacetic acid
Main benefits
Nanoparticle-free*
Paraben-free
PEG-free / PEO-free
* No particle below 100 nm according to method 10-039 using a laser diffraction particle size analyzer HORIBA LA950-V2 (liquid process).
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Covarine Black WS 9199
Cosmetic benefits
Ready-to-use dispersion
Excellent stability
High compatibility in formulations
Outstanding coloring performances in hair shading products
Excellent performances in eyeliner and mascara formulations
Applications
Make-up
Skin care
Sun care
Hair care
Oral care
Fragrances
Recommended use levels
0.1 – 20%
0.1 – 2% for hair shading
10 – 20% for make-up
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Covarine Black WS 9199
Ready-to-use dispersion
Carbon black (D&C Black No.2) needs to be used with specific equipments due to high surface area (difficult wetting of the powder) and important volatile dust.
Dispersion = Ease of use
Covarine Black WS 9199
Smooth and glossy paste.
Thixotropic gel that becomes fluid very easily.
No dust, no milling required.
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Covarine Black WS 9199
High stability
High pigment concentration (~25%), no viscosity increase, no particle re-agglomeration, no performance changes with time and temperature.
Nanoparticle-free*
* No particle below 100 nm according to method 10-039 using a laser diffraction particle size analyzer HORIBA LA950-V2 (liquid process).
Confidential
5
Covarine Black WS 9199
High compatibility
Covarine Black WS 9199 is formulated without anionic surfactants.
Compatible with cationic surfactants – no pigment re-agglomeration.
Suitable in all hair care formulations using all types of