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Chemistry
What's Wrong With This Formula?
Posted: May 7, 2006
This SPF 45 lotion by Ken Klein has numerous errors. Can you find them?
Very Water Resistant SPF 45 Lotion
A.
Water (aqua), qs to 100%
Methylparaben, 0.6
Propylene glycol, 6.0
PVP, 2.0
Carbomer, 0.75
Tocopherol acetate, 0.2
Octyl methoxycinnamate, 7.5
B.
Oxybenzone, 6.0
Stearic acid, 3.0
Paraffinum liquidum (mineral) oil, 10.0
Zinc oxide, 5.0
Avobenzone, 3.5
C.
Triethanolamine 99%, 3.0
