Methods and kits imparting benefits to keratin-containing substrates
A beneficial effect, keratin technology, applied in the direction of medical preparations containing active ingredients, pharmaceutical formulations, hair care, etc., can solve the problems of unacceptable hair properties, poor appearance, feeling and combability
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example 1
[0075] Streaming potential analysis was performed on blond hair showing the first treatment with cationic polyquaternium-6 (available under the trade designation Merquat 100 from Nalco Company, Naperville, IL) and with the anionic protein chicken albumin (available from Sigma Effect of the second treatment on streaming potential by Aldrich (St. Louis, MO). A solution of 0.0125% cationic polyquaternium-6 and 0.0125% anionic protein chicken albumin was prepared in 1 mM KCl in deionized water and used at the above concentrations.
[0076] see now figure 1 , the first five data points correspond to untreated hair, the next four data points correspond to hair treated with cationic polyquaternium-6, and the next three data points correspond to hair treated with anionic chicken albumin Treated hair. This processing loop continues two more times. The increase in surface charge after cationic polyquaternium-6 treatment shows that polyquaternium-6 is deposited and retained on the hai...
example 2
[0078] Comb analysis was performed on blond hair treated with the continuous multilayer deposits of the present invention. All solutions used for treatments consisted of 1% active composition in deionized water.
[0079] Comb analysis was performed on untreated hair, hair after first treatment with 1% polylysine, hair after second treatment with 1% albumin and finally hair after third treatment with 1% SLES. Table 2 shows the results of the carding analysis.
[0080] Table 2
[0081]
[0082] Referring to Table 2, it can be seen that the work required to comb hair is reduced after treatment with polylysine. Unexpectedly, the combing force was further reduced after treatment with albumin and after exposure to SLES, which can form complexes with underlying layers. Treatment with SLES did not reduce comb ease, indicating that the polylysine and albumin treatment compositions deposited on the hair as primary and secondary layers, respectively, and remained even after expos...
example 3
[0084] Combing assays were performed on blond hair in a similar manner to Example 2 above, except that 1% polyquaternium-6, 1% albumin and 1% SLES were used as the treatment composition. The results are shown in Table 3.
[0085] table 3
[0086]
[0087] Referring to Table 3, it can be seen that the work required to comb hair decreases after the first treatment with 1% polyquaternium-6, then further decreases after the second treatment with anionic albumin, and finally after the treatment with SLES. reduce. Also surprisingly, the combing force was further reduced after treatment with albumin and after exposure to SLES, which can form complexes with underlying layers. Treatment with SLES did not reduce comb ease, indicating that the polyquaternium-6 and albumin treatment compositions deposited on the hair as primary and secondary layers, respectively, and remained even after exposure to SLES.
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