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Sulfate-Free Soothing Shampoo

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By: TOM BRANNA

Editor

Sulfate-Free Soothing Shampoo
Ingredients
%

Phase A

  • Deionized water
  • 55.68
  • Novethix L-10 Polymer (30 wt% TS) (Acrylates/beheneth-25 Methacrylate Copolymer)*
  • 5.00
  • Plantapon SF (Cognis) (Sodium cocoamphoacetate, glycerin, lauryl glucoside, sodium cocoyl glutamate (and) sodium lauryl glucose carboxylate (53%TS))
  • 35.00
  • Euxyl K 100 (Schu00fclke & Mayr) (Benzyl alcohol, methylchloroisothiazolinone (and) methylisothiazolinone)
  • 0.10
  • Merquat 2001N (Nalco) (Polyquaternium-47 (20%TS))
  • 1.00
  • D-Panthenol USP (BASF) (Panthenol)
  • 0.30
  • Vegetol Roman Chamomile LC 376 Hydro (Gattefosse) (Anthemis nobilis (chamomile) flower extract, propylene glycol (and) water)
  • 2.00
  • Aesthetics Nuances 356496 (Luzi) (Parfum/fragrance)
  • 0.40
  • FD&C Yellow 6 (CI 15985 (Yellow 6) (0.1%TS))
  • 0.04
  • D&C Yellow 10 (CI 47005 (Yellow 10) (0.1%TS))
  • 0.05
  • Sodium hydroxide (18%TS)*
  • 0.43

Procedure

Add Novethix L-10 polymer to deionized water. Slowly add Plantapon SF to the batch with mixing. Add ingredients 4-10 in order with mixing. Adjust pH to 6.5-6.8 using sodium hydroxide.

Properties

Appearance—clear yellow viscous liquid; pH—6.5-6.8; Viscosity (mPa·s) (Brookfield RVT @ 20 rpm, 25°C, #4 spindle, measured after 24 hours)—2,500 – 4,000; Turbidity (NTU) (HF Scientific, Inc., Micro 100 Turbidimeter)—40–70; Stability—Passed 3 months @ RT and 45°C, passed 5 freeze/thaw cycles; Novethix  L-10 Polymer (%TS)— 1.5; Surfactants (%TS)—18.6

More Information

Approximate amount, q.s. to pH 6.5 - 6.8