Key Formulation Attributes
Emulsifier-free
formulation/Neutral PH 6.70 (also stable at lower pH’s)
Easy to manufacture no pulverizing or colloid milling of pigments
required.
High molecular weight silicone (60,000cst demethicone) for smooth
skin feel.
SPF 10
Natural defense allergen/pollution blocker to protect the skin.
High Oryzanol/Tocotrienol rice oil provides superior antioxidant
protection.
4 week 500C stability
PROCEDURE:
In final mixing kettle, with
adequate mixing add phase A ingredients in order listed. Begin
heating after the addition of the Centrolex D.continuing heating, with
combined homogenizer and side- sweep mixing and add remainders of
phase A ingredients.
In a separate vessel combine
phase B ingredients and begin heating to 80°C
with gentle mixing. When phase reaches 78°C,
add phase B (80°C)
into phase A. Mix for 15 minutes and begin cooling down to 65°C
and add phase C. After phase C has been added, resume cooling down to
60°C,
then switches to only side- sweep mixing. At 40°C
add phase D, then phase E. Continue cooling down to room
temperature. Kettles must remain covered at all times.
