266 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 10 4 O.O•J% 0.10% 0.20% 14- 12 10 8 6 -- 0.0•% 0.10% 0.20% 12 0.05% 0.10% 0.20% Figure 3. The effect of solution concentration of polyquaternium-4, laurdimonium hydrolyzed wheat protein, and quaternium-26 on cationic uptake by bleached hair.

CATIONIC QUATERNARY COMPOUNDS 267 õ rain 15 rain 30 rain o 4 3 2 1 0 -- 5 rain 15 rain 30 rain 5 rain 15 rain 30 rain Figure 4. The effect of treatment time on polyquaternium-4, cocodimonium hydrolyzed keratin protein, and quaternium-26 sorption by bleached hair.

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