PH scale

Temporary colour PH is

• 4.5 -5.5

• 8-9.7

• 6.5- 6.9

• 7 - 9

Bleach's PH is

• 4.5 -5.5

• 8-9.7

• 6.5- 6.9

• 7 - 9

permanent colours PH is

• 4.5 -5.5

• 8-9.5

• 6.5- 6.9

• 7 - 9

quasi colours PH is

• 4.5 -5.5

• 8-9.5

• 6.5- 6.9

• 7 - 9

semi-permanent colours PH is

• 4.5 -5.5

• 8-9.5

• 6.5- 6.9

• 7 - 9

Hydrogen peroxide's PH is

• 4.5 -5.5

• 3-4

• 6.5- 6.9

• 7 - 9