Baseline

4 weeks

8 weeks

Hue

Placebo

52.7 ± 5.2

53.7 ± 6.9

(1.0 ± 4.5)

53.5 ± 7.8

(0.8 ± 7.2)

Delphinol®

54.9 ± 7.9

55.7 ± 7.2

(0.8 ± 2.2)

56.1 ± 6.2

(1.1 ± 4.2)

Saturation

Placebo

35.4 ± 1.7

35.3 ± 2.1

(−0.1 ± 1.0)

34.7 ± 1.5

(−0.7 ± 1.1)

Delphinol®

32.7 ± 2.8

33.3 ± 3.0

(0.6 ± 1.2)

33.0 ± 2.7

(0.3 ± 0.6)*

Brightness

Placebo

63.7 ± 1.6

64.1 ± 2.1

(0.4 ± 2.3)

64.1 ± 3.0

(0.4 ± 3.5)

Delphinol®

64.5 ± 4.5

65.2 ± 3.2

(0.6 ± 1.6)

65.7 ± 3.2

(1.2 ± 2.0)