ANNE CHARPENTIER
SKINOBS Technolac, Le Bourget-du-Lac, France

THE SKIN MICROBIOTA AND THE COSMETICS 

Since the discovery of the intestinal microbiota, the question of the skin microbiota (micro-organisms, bacteria, viruses, fungi, yeasts), is under every lip. 100 trillions of bacteria are living in our bodies and everybody wants to know more about the impact of the cosmetics use on the skin bacteria ecosystem and how these phenomena can be measured?

The microflora is usually subdivided in 2 groups:

• the transient flora, saprophytic and pathogens microorganisms with Staphylococcus, aureus, Escherichia coli, Pseudomonas aeruginosa and Bacillus species…
• The resident flora, pathogenic and commensal microorganisms with Proteobacteria, epidermidis, S. hominis Propionibacterium, Corynebacterium, Dermabacter, Brevibacterium, Micrococcus, P. aeruginosa, Pityrosporum, Malassezia, Demodex…

This bacteria ecosystem synthetizes a myriad of elements which have an important metabolic activity for our skin health. It could be necessary to protect, to rebalance and activate it on the cosmetics side. Simply said ...