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Composition

(Ratio DES-1:

DES-2, w/w)

(Total Amount—5 g)

Concentration of hydrogen peroxide in mixture, %*

Thioglycolic

Acid, g**

Ammonium Hydroxide

(aqueous 28%), g**

Sodium Sulfide**

Na2S × 9 H2O, g

Solubility of Hair***

%

1

1:2

13.46

0.082

0.118

N/A

79

2

1:2

13.46

N/A

0.046

0.154

73

3

1:1

10.05

0.082

0.118

N/A

75

4

1:1

10.05

N/A

0.046

0.154

69

5

2:1

6.72

0.082

0.118

N/A

76

6

2:1

6.72

N/A

0.046

0.154

68

7

3:1

5.02

0.082

0.118

N/A

58

8

3:1

5.02

N/A

0.046

0.154

51