prodew - Cosmesi.it
prodew - Cosmesi.it
prodew - Cosmesi.it
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Arginine<br />
Arginine has Strong Affin<strong>it</strong>y for Hair<br />
Arginine bears cationic charge below pK 2 =9.0, so has<br />
strong affin<strong>it</strong>y for hair at pH over about 4.<br />
Arginine Recovery<br />
(mmol/g-hair)<br />
50<br />
40<br />
30<br />
20<br />
Affin<strong>it</strong>y<br />
10to acidic groups<br />
on hair surface<br />
0<br />
L-Arg+<br />
COOH<br />
3.2 4.3 5.3 7.2<br />
±<br />
COO -<br />
-<br />
pH of Arginine pH 3 pH Solution 6<br />
Removed by<br />
acidic buffer<br />
solution<br />
Removed by water<br />
ASP0051E Technical Data Sheet No.3000-0060E 16<br />
AJINOMOTO Co., Inc. AminoScience Laboratories
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