In
the main kettle,
combine phase A
ingredients,
disperse Carbopol
Ultrez 21 with rapid
mixing until no
lumps are present.
In a separate
vessel, combine
phase B, heat to
75°C. Slowly add
phase B to phase A
with rapid mixing,
scraping sides
often. Mix until a
smooth gel is
formed. Add phase C,
continue mixing with
medium to low speed
until uniform, and
start to cool.
Slowly add Phase D,
continue mixing and
cooling to 25-30°C,
scraping sides
often.
