Algae Mask

Untreated Area

t0

n = 23

t1

n = 23

t0

n = 23

t1

n = 23

Shannon’s Diversity index mean values

5.40

5.79

5.31

5.69

p value (before vs after product’s application)

0.016*

0.023*

p value (Investigational product vs untreated area)

0.577*

0.551*

Genus Relative Abundance %

Corynebacterium

10.71

8.63

9.89

11.80

Staphylococcus

19.45

15.12

19.28

15.25

Pseudomonas

1.44

1.85

2.12

2.05

p value (before vs after product’s application)

Corynebacterium

0.102*

0.249*

Staphylococcus

0.048*

0.146*

Pseudomonas

0.163*

0.810*

p value (Investigational product vs untreated area)

Corynebacterium

0.905*

0.018*

Staphylococcus

0.973*

0.900*

Pseudomonas

0.194*

0.978*

Species Relative Abundance %

Cutibacterium acnes

8.95

6.03

7.84

4.97

Staphylococcus aureus

0.03

0.06

0.05

0.04

Staphylococcus epidermidis

7.93

5.17

7.76

5.77

Pseudomonas aeruginosa

0

0

0

0

p value (before vs after product’s application)

Cutibacterium acnes

0.008*

0.182*

Staphylococcus aureus

0.466*

0.940*

Staphylococcus epidermidis

0.012*

0.032*

Pseudomonas aeruginosa

**

**

p value (Investigational product vs untreated area)

Cutibacterium acnes

0.737*

0.924*

Staphylococcus aureus

0.587*

0.744*

Staphylococcus epidermidis

0.996*

0.756*

Pseudomonas aeruginosa

**

**