This anti-dandruff shampoo formulation with Zinc Pyrithione makes use of HallStar® SAB-2N Flake to maintain the active ingredient in dispersed form. HallStar® SAB-2N Flake contributes opacity as well as desirable rheological properties to the finished product. Foam quantity and stability may be adjusted by modifying the level of RTD Coco Sulfate.
Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
---|---|---|---|---|
A | Water (Aqua) (deionized) | up to 100 | Carrier | |
Hydroxypropyl Guar Hydroxypropyltrimonium Chloride | 0.30 | Hair Detangling Agent | ||
B | Cocamidopropyl Betaine (30%) | 14.97 | Foam Booster | |
C | Sodium Coco-Sulfate | RTD COCO SULFATE | 14.97 | Anionic Surfactant |
Distearyl Phthalic Acid Amide | HALLSTAR® SAB-2N FLAKE | 2.99 | Suspension Aid | |
Zinc Pyrithione (48%) [Pyrithione Zinc] | 4.24 | Antidandruff Agent | ||
D | Preservative | a.n. | Preservative | |
Citric Acid | a.n. | pH Adjuster | ||
E | Fragrance (Parfum) | a.n. | Fragrance (Parfum) | |
Colorant(s) | a.n. | Colorant |
1 | Combine phase A under strong mixing to prevent clumping and when well-dispersed add phase B. |
2 | Heat phase AB with mixing to 74-77°C, then add phase C items in order and mix for 30 minutes. |
3 | With continued mixing, begin cooling batch and at 43°C add phase D items, bringing batch to pH 5.5 – 6.5. |
4 | Add phase E items in order to targets and when batch is uniform and at desired filling temperature, stop cooling and mixing. |
Appearance | Opaque viscous lotion |
Viscosity (Brookfield, Model RV, T-bar D, 5, 20 & 100 rpm; cP) | 33600, 18400 & 7220 |
pH | 6.1 |
*Patented and Patent Pending
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