Skip to main content
  • Choose your local website
  • Discover NAOS ecobiology
Log in Sign up
  • Science digests
    • See page Science digests
    • Medical reviews
    • Scientific publications
    • Posters
    • Podcasts
    Discover the latest scientific publication
    Discover the latest poster
  • Medical events
    • See page Medical events
    • Congresses & e-Symposia
    • 📅 Events calendar
    Read the latest congress report
    Watch the replay of the latest symposium
  • NAOS services
    • See page NAOS services
    • BoSS Questionnaire
  • For your patients
  • Trainings
    • See page Trainings
    • Expert videos
    • Clinical cases
    • Pathology sheets
    • Product trainings
    Discover the latest scientific article
    Discover the last clinical case. What is your diagnosis?
  • NAOS products
    • See page NAOS products
    • BY BRAND
      • BIODERMA products
      • INSTITUT ESTHEDERM products
      • ETAT PUR products
      • See all NAOS products
    • BY SKIN CONDITION
      • Acne - Oily
      • Aesthetics - Ageing
      • Babies - Children
      • Dryness - Atopy - Eczema
      • Hair - Scalp
      • Healing
      • Hyperpigmentation
      • Oncodermatology
      • Other dermatosis
      • Sensitive - Rosacea
      • All skin types
  • Choose your local website
  • Discover NAOS ecobiology
Log in Sign up
  1. Home
  2. Sergio Schalka

Dr. Sergio Schalka

Dermatologist

Brazil

Expert content

+10
by 12 professionals
Congress reports
30 min

World Rendez-Vous on Dermatology 2024

+2
by 4 professionals
Medical reviews
30 min

Updates on Dermatology: Sun-induced damages

by Dr. Sergio Schalka
Expert videos
5 min

What are the effects of UVA rays and how to protect the skin?

Expert events

Meet NAOS

World Congress of Dermatology - WCD 2023

Singapore | July 3 to 8

Create your own professionnal account and get access to exclusive dermatological services and valuable expert content to help you save time, support your patients, reinforce your expertise and animate your business.

I create my account

Our skin is a living world. Ecobiology protects it. At NAOS, our products are designed to protect the skin's ecosystem and strengthen its natural mechanisms. For naturally strong, beautiful and healthy skin. Lastingly.

  • Ecobiology at the service of dermatology

  • Ecobiology at the service of aesthetic

  • Ecobiology at the service of personalized skincare

  • Science digests
    • Congress reports
    • Medical reviews
    • Scientific publications
    • Posters
    • Podcasts
    • Symposia
    • E-Symposia
  • For your practice
    • Expert videos
    • Clinical cases
    • Pathology sheets
    • Products information for prescribers
  • NAOS Products
    • BIODERMA Products
    • INSTITUT ESTHEDERM Products
    • ETAT PUR Products
  • Discover NAOS
    • NAOS
    • BIODERMA
    • INSTITUT ESTHEDERM
    • ETAT PUR
  • 📅 Events calendar
  • For your patients
    • For your patients
  • Help & contact
    • Contact us
  • Other available languages
    • Choose your local website
  • Follow us on social medias
    • LinkedIn NAOS Medical
    • X NAOS Medical
    • Instagram NAOS Global
  • Cookies policy
  • Cookies settings