prodew - Cosmesi.it
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Arginine<br />
Uptake of PCA –the pH Dependence<br />
Interaction of PCA and hair is relatively weak at pH<br />
range between 4 and 7.<br />
20<br />
PCA<br />
PCA-<br />
PCA (mg/g-hair)<br />
15<br />
10<br />
5<br />
0<br />
1 3 5 7 9<br />
pH<br />
COOH COO -<br />
±<br />
-<br />
pH 3 pH 6<br />
L-PCA 5wt%<br />
N=3, mean<br />
ASP0051E Technical Data Sheet No.1001-0710E 17<br />
AJINOMOTO Co., Inc. AminoScience Laboratories
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