Skin Care, Sun Care

SPF 40 Mineral Sunscreen Lotion

A zinc oxide and dimethicone based formula.

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Released By Shin-Etsu Silicones

SPF 40 Mineral Sunscreen Lotion
Ingredients
%

Phase A

  • KSG-710 (Dimethicone (and) Dimethicone/Polyglycerin-3 Crosspolymer)
  • 5.00
  • USG-1011 (Undecane (and) Tridecane (and) Dimethicone/Vinyl dimethicone crosspolymer)
  • 2.00
  • KF-6105 (Lauryl polyglyceryl-3 Polydimethylsiloxyethyl dimethicone)
  • 2.00
  • SPD-Z7L (Zinc oxide (and) Dimethicone (and) Polyglyceryl-3 Polydimethylsiloxyethyl dimethicone (and) Triethoxycaprylylsilane)
  • 25.00
  • SPD-T5L (Dimethicone (and) Titanium dioxide (and) Polyglyceryl-3 polydimethylsiloxyethyl dimethicone (and) Aluminum hydroxide (and) Stearic acid
  • 15.00
  • Undecane & Tridecane
  • 3.00

Phase B

  • DI Water
  • 38.30
  • 1,3 Butylene glycol
  • 5.00
  • Ethanol
  • 3.00
  • Sodium chloride
  • 0.50
  • Sodium citrate
  • 0.20

Phase C

  • KSP-105 (Vinyl dimethicone/Methicone silsesquioxane crosspolymer)
  • 1.00

Procedure

Combine Phase A and mix well using a dispersing blade until smooth and uniform. In a separate vessel, combine Phase B and mix well. Emulsify by adding Phase B to Phase A under low shear (~450-900 rpm). Then increase speed to 2000 rpm for three minutes. Add Phase C at a lower speed (~1400 rpm) and mix well until homogenous.

Properties

Stability: Freeze/thaw- 3 cycles (-20°C/RT): Passed. - 4°C, 25°C, 40°C and 50°C (3 months): Passed. Characteristics/Appearance: White lotion. 24-hour Viscosity: Brookfield Heliopath RVT Spindle C, Speed 5, 1 minute @ 25°C ~ 54,000-59,000 cps.

More Information

Shin-Etsu Silicones for Personal Care www.shinetsusilicones.com

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