Table 2 The effect of the L. casei strain on S. aureus and S. epidermidis strains that are part of the skin microbiome.

From: Skin microbiome friendly topical formulations containing probiotic – loaded alginate microspheres: in vitro studies

Mixtures of strains

Initial density of skin microbiome strains

Density of skin microbiome strains after 5 h of incubation

Reduction [log]

Density of skin microbiome strains after 24 h of incubation

Reduction [log]

CFU/ml

Log CFU/ml

CFU/ml

Log CFU/ml

Log

CFU/ml

Log CFU/ml

Log

S.aureus + L.casei

1.81 × 108

8.26 log

2.81 × 107

7.45

-0.81

1.9 × 107

7.27

-0.99

S.epidermidis + L.casei

2.6 × 108

8.41 log

3.5 × 108

8.54

 + 0.13

1.01 × 109

9.0

 + 0.59

Mixtures of strains

Initial density of the L. casei

Density of the L. casei after 5 h of incubation

Reduction [log]

Density of L. casei after 24 h of incubation

Reduction [log]

CFU/ml

Log CFU/ml

CFU/ml

Log CFU/ml

Log

CFU/ml

Log CFU/ml

Log

S.aureus + L.casei

1.25 × 108

8.10

1.1 × 109

9.04

 + 0.94

2.87 × 1011

11.46

 + 3.36

S.epidermidis + L.casei

1.94 × 108

8.28

2.3 × 109

9.36

 + 1.08

3.08 × 1010

10.49

 + 2.21