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Hair Shampoo

Hair Shampoo. Laundry Detergent. “Cleaning Your Hair vs Cleaning Your Clothes”. Jeff Easley – Sr. Global Performance Improvement Specialist Stepan Company Midwest SCC Meeting March 11, 2014. Objectives…. Compare and Contrast:. Cleaning technology Ingredient types Ingredient functions

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Hair Shampoo

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  1. Hair Shampoo Laundry Detergent “Cleaning Your Hair vs Cleaning Your Clothes” Jeff Easley – Sr. Global Performance Improvement Specialist Stepan Company Midwest SCC Meeting March 11, 2014

  2. Objectives… Compare and Contrast: • Cleaning technology • Ingredient types • Ingredient functions • Formulations • Performance testing • Regulatory environment

  3. Cleaning Technology

  4. Cleaning Hair vs Cleaning Fabric In General… • Different substrates • Many more fabric types than hair types • Soils to be removed differ • Surfactant interfacial phenomena similar • Differences in washing processes

  5. Detersive Systems

  6. Progression of Laundry Detergent Forms Liquids Bars Powders Also known as: Heavy Duty Powders (HDP) Heavy Duty Liquids (HDL)

  7. Increasing Concentration 2X, 4X and greater Cold Water Cleaning Eco-friendly Products Using “Green” or natural based Ingredients Recyclable Packaging High Efficiency Low foaming variants Product Trends

  8. Comparison of Claims Hair Shampoo Laundry Detergent Botanical/Herbal Kosher No Additives/Preservatives Fragrance Free Hypoallergenic Economy Convenient Packaging All Natural Product Ease of Use pH Neutral Dermatologically Tested • Rapid-Drying • Fragrance Free • Dermotologist Recommended • Volumizing • Clarifying • Hypoallergenic • pH Balanced • No Animal Testing • Mild • Moisturizing • Free From…

  9. Interesting Laundry Fact…

  10. Ingredient Types

  11. Ingredient Comparison…. Key Hair Shampoo Laundry Detergent • Surfactants • Water • pH adjusters • Fragrance • Dye • Preservative • Vitamins • Protein derivatives • Inorganic salts • Humectants • Emollients • Silicones • Thickening agents • Chelants/Sequestrants • Suncreen agents • Surfactants • Builders • Buffering Agents • Enzymes • Optical Brightener • Polymers • Hydrotropes • Enzyme Stabilizer • Preservative • Colorant • Fragrance • Softening Agent • Bleach • Anti-redepostion Agent • Filler • Water

  12. Typical Physical Properties

  13. Soils Types and Ingredients to Address Them Nonionic Surfactant, Solvents Surfactants, Bleaching Agents Anionic & Nonionic Surfactants Anionic Surfactant Enzymes

  14. Surfactant Comparison Hair Shampoo Laundry Detergent Sulfonates Acids Neutralized forms Sulfates Alkyl ether sulfates Alkyl sulfates Alkoxylates Alkanolamides Methyl esters Hydrotropes • Sulfonates • Alpha Olefin Sulfonate • Sulfates • Alkyl ether sulfates • Alkyl sulfates • Alkanolamides • Amphoterics • Methyl Esters • Sulfoacetates • Sulfosuccinates

  15. Linear AlkylbenzeneSulfonic Acid (LABSA) Common Primary Anionic Surfactant • Good foamer • Good detergency • Neutralization necessary • Best carbon chain C11-12 linear • Corrosive in acidic state

  16. Alkyl Ether Sulfates (AES) Common Primary Anionic Surfactant C12-15(O-CH2-CH2)nOSO3- Na+ n = 2 or 3 • Foam enhancer • Good hard water tolerance • Carbon chain C12-14 with 2-3 moles EO Preferred • Due to gel phase formation, add other ingredients first • Stable at 4<pH<10

  17. Alpha Olefin Sulfonate CH3(CH2)m CH (CH2)nSO3- Na+ + CH3(CH2)mCH (CH2)nSO3- Na+ Where m = 8 – 14; n = 1-3; and m + n = 9-15 OH Other Primary Anionic Surfactant • Good foaming • Good detergency • Stable over a broad pH range • Synergism with LAS

  18. Alcohol Ethoxylates Common Primary Nonionic Surfactant C12-15(O-CH2-CH2)nOH n = 7-9 • Mid to high HLB preferred • Good grease cleaner • Low foam generation • Stable in alkaline solutions • Compatible with anionics/cationics

  19. Common Secondary Surfactant • Amine Oxides (AO) • Alcohol Ethoxylates (low HLB) • Alkanolamides • Soap (defoamer) C11-15(O-CH2-CH2)nOH n = 2-4

  20. Ingredient Functions

  21. Surfactant Attributes for Laundry Detergents • Hydration of fabrics and soils • Solubilization of greases/oils • Suspension of hydrophobic soils • Generation of suds Role of Surfactants The Ideal Surfactant Other Considerations

  22. Surfactant Attributes for Laundry Detergents Role of Surfactants The Ideal Surfactant Other Considerations • Low CMC • Low Krafft temperature • High solubility in hard/cold water • Lowest air/water surface tension • Low oil interfacial tension • Fast kinetics

  23. Surfactant Attributes for Laundry Detergents Role of Surfactants The Ideal Surfactant Other Considerations • Low cost to performance ratio • Excellent environmental profile • Excellent human safety profile

  24. Primary Surfactants Provide: Good foaming Good detergency (removing soils from clothes) Emulsification and solubilization of soils or dirt Surfactant Function in HDL Formulas

  25. Surfactants Function in HDL Formulas • Secondary Surfactants Provide: • Foam enhancement • Cleaning enhancement • High viscosity formulas • Solubilization of other ingredients

  26. Functions of Some Commonly Used Laundry Additives • Builders • Antiredeposition Agents • Dye transfer inhibitors • Soil release polymers • Optical brighteners • Enzymes • Control additives for pH, viscosity, foam • Preservatives, Perfume, Dye

  27. Formulation Comparison

  28. Formulation Ingredients HDLs

  29. Formulation Ingredients HDPs

  30. Premium Laundry Formula

  31. Economy Laundry Formula

  32. Performance Testing

  33. Washing: HE (High Efficiency) and top loading machines Temperature controlled wash and rinse 6-lb ballast Purchased standard stained/soiled fabrics with dust sebum, clay, grass, red wine, cocoa, coffee, blueberry, blood/ink/milk, make-up among others Duplicate washes 2 2 2 SRI = 100 - ( L - L ) clean washed + (a - a ) + (b - b ) clean washed clean washed DSRI = SRIexperimental - SRIcontrol Cleaning PerformanceASTM Methods D 4265-98 (stains) and D 3050-07 (artificial soils) • Data Analysis: • Hunter Spectrophotometer Software and LabScan XE sensor

  34. Regulatory Environment

  35. Some Regulatory Matters…

  36. Summary • Surfactants are the key to both laundry detergent and hair shampoo formulations • There are several similarities and differences between laundry detergent and hair shampoo formulations • Personal Care formulators can formulate laundry detergents too with a little know how • Never use a laundry detergent as a substitute for hair shampoo !! 

  37. References Available Upon Request Contact information: Jeff Easley Sr. Global Performance Improvement Specialist Stepan Company Direct Dial: 847-501-2239 Fax: 847-446-9359 Email: jeasley@stepan.com

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