What's Wrong With This Formula?

Oct 13th, 2008

Rachel Chapman

Water-In-Oil Lotion

A.
Water (aqua), 64.15%
Propylene glycol, 10.00
Sodium chloride, 0.05
Laureth-23, 5.00

B.
Octyl palmitate, 10.00
Cetearyl alcohol , 1.00
PEG-30 dipolyhydroxystearate, 2.50
Disodium EDTA , 1.50
Glycerin, 3.50
Dimethicone, 1.50

C.
Imidazolidinyl urea, 0.50

D.
Fragrance (parfum), 0.30

E.
NaOH, 20% soln, qs to pH 7.0

Procedure: Heat A to 70ºC. Combine B at RT. Add A to B. Cool to 35ºC and add remaining ingredients.

There are at least 11 errors in the above formulation. Click here to view the answers.

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