Resorcinol

1
Effect of emollients on dye rinse-off behavior

• Method
• addition of 1 emollient to finished hair dye
  cream
• evaluation of dye rinse-off in water
• ( 5 washes on hair tresses with each 10 ml
  standard shampoo)

Test formulation
2
Before After 5 shampoo
Copper Red 6,64
Test procedure 30 min color treatment 1 rinse
with water 4 rinse with acidic shampoo (pH
4.5) After 24h 5 X wash with shampoo (10 ml
shampoo in 250 ml water) RT colorimetry by
Minolta CR 300 Shampoo composition SLES/CAPB/Prot
ein surfactant 10 / 1 /0.3 pH 6
3
L value of shampoo solutions (mean of 3 tests)
Evaluation of dye rinse-off in water
Shampoo washes
4
Color difference on locks after 5 washes
Conclusion Cetiol CC reduces dye wash-off
behavior
5
L value of shampoo solutions (mean of 2 tests)
Evaluation of dye rinse-off in water
Shampoo washes
6
Color difference on locks after 5 washes
Conclusion Cetiol CC reduces dye wash-off
behavior