Shampoo Notes 6j485p

SHAMPOO Forms of Shampoo 1. Cream 2. Clear 3. Lotion 4. Gel 5. Aerosol/Dry products Properties of Shampoo 1. Compound of specialized capabilities – minimizing effect in the eyes, have at least low irritancy (sulfosuccenate applied in baby shampoo) 2. Controls dandruff – contains ZPT (zinyrethione); for lice (ketoconazole) 3. Imparts appealing fragrance Clear Liquid Shampoo - Most popular form of shampoo – because of the ease of application, rapidity of lathering and better rinsibility - Based on K salt - Stable, easily colored & perfumed - Uses SLS, SLES, CDA Lotion Shampoo - Active ingredient - Opacifier – pearly look to shampoo Cream Shampoo - Opaque & viscous - Mixture of SLS & Soap – which makes the shampoo more viscous *SLS is in dry form while SLES is in semi-liquid form Components of Shampoo 1. Surfactants – reduce surface tension (eg. water tension, grease) 2. Foam builders – foam stabilizer. Increasing quality, volume and stability 3. Conditioning agent – moisturizes and lubricates the hair for better slip and smoothness a. Lanolin, glycerol, PEG, isopropyl myristate 4. Opacifying agent – importance for cream and lotion shampoo a. Higher alcohol (stearyl and cetyl), higher acids (behenic acid) 5. Clarifying agents – solubilizing agents help maintain shampoo’s clarity over a wide range of temperature; should be checked for possible eye irritation a. Butyl alcohol, isopropyl alcohol, propylene glycol, terpineol, diethylene glycol, diethyl alcohol 6. Sequestering agent – prevents lime soap formation by: 1. Formation of insoluble calcium or magnesium salts when mixed with hard water 2. Precipitation of lime soap film on the hair when the shampoo is rinsed with hard water 7. Anti-dandruff 8. Thickening agent – increases viscosity a. Synthetic gums, inorganic salts, longer-chain alcohols and amides 9. Preservative – formadehyde, ethanol, paraben 10. Stabilizing additives – antioxidant, sunscreen, suspending agents, pH control drugs 11. Cosmetic additives – perfume, dye, tints, pearlescent Quality Control Tests 1. Product use test – uses people to test the product 2. Cleansing, rinsing conditioning, safety criteria

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Aesthetic characteristics

Shampoo Formula SLES…………………………......………….. 27.0 g Cocoamidopropyl…………………………… 5.0 g CDA………………………………………… 3.0 g Propylparaben…………...………………….. 0.01 g Methylparaben………………………………. 0.1 g Rose oil……………..……………………….. 0.2 g Colorant………………………………………. qs NaCl………………………………………….. qs Distilled water, q.s. ad……………………. 100 mL