FORMULATIONS
WATER-FREE FACE SCRUB IN TABLET FORM with Trisodium Citrate Anhydrous PHASE PRODUCT
INCI NAME
A Trisodium Citrate Anhydrous1 Plantacare® 818 UP2 BICAR® Food 0/133 CITROCOAT® N101
B C
ERYLITE® Personal Care Grade1
Trimagnesium Citrate Anhydrous1
Xanthan Gum FF-PC1 D Perfume (optional)
Procedure: Pre-heat phase B to approx. 70 °C (158 °F) to lower viscosity of the surfactant. Loading of trisodium citrate anhydrous powder (phase A) with liquid surfactant (phase B) by spraying phase B into phase A under fast mixing to obtain a homogeneous, lump-free powder. Dry blend all ingredients (loaded powder obtained from step 1 with all powders of phase C). Optionally: add very small quantity of
preferred fragrance (phase D). Press powder to tablets (Device: tablet press FlexiTab® (Roeltgen), Punch size: 25 mm, Fill depth: 7.7 mm, Compression force: 24 kN). Properties: Stability: Stable for at least 7 weeks and 30°C (86 °F) at 50 % relative humidity without packaging, enhanced stability in capped tubes. Appearance: solid tablets, biplanar; Weight: 4.50 g / tablet; pH value: 6.40 (2 tablets in 90 ml tap water) Suppliers: : 1. Jungbunzlauer 2. BASF 3. Solvay
Trisodium Citrate Coco-Glucoside
Sodium Bicarbonate
Citric Acid, Monosodium Citrate Erythritol
Trimagnesium Citrate Xanthan Gum
% W/W 32.14 2.86
33.50 20.00
10.00
1.00 0.50
SOOTHING SKIN CREAM with Zinc Lactate PHASE INGREDIENTS A Water demin. Glycerine
B
Xanthan Gum FNCSP-PC1 Axol® C 62 Pellets2 Lanette® O3
Dermofeel® sensolv MB2 Tegosoft® AC MB2
C Zinc Lactate Dihydrate1
D L(+)-Lactic Acid 90 % Heat Stable Personal Care Grade1
Sodium Hydroxide
INCI NAME Aqua
Glycerine Xanthan Gum
Glyceryl Stearate Citrate Cetearyl Alcohol Isoamyl Laurate Isoamyl Cocoate Zinc Lactate
Lactic Acid Sodium Hydroxide
% W/W
q.s. to 100 3.00 0.40 3.00 2.00 4.00 4.00 1.00
q.s. q.s.
Procedure: Heat phase A to 75 °C (167 °F). Heat phase B to 75 °C (167 °F). Slowly emulsify phase B into phase A whilst stirring. Homogenise for 2 min by using an Ultra Turrax®. Cool down to 35 °C (95 °F) and add phase C whilst stirring. Set pH value with phase D. Properties: Stability: Stable for at least 3 months at RT, 5 °C (41 °F) and 40 °C (104 °F) Appearance: white cream; pH value: 4.5; Viscosity Brookfield: (Sp. 64 / 30 RPM) 6000 mPas
Suppliers: : 1. Jungbunzlauer 2. Evonik 3. BASF
72 | LITTLE BOOK OF SKIN CARE
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