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

Dr. Sergio Schalka
About 95% of the solar spectrum is composed of UVA.
- Do you know the effects of UVA rays on the skin?
- What is the UVA protection of sunscreens available on the market nowadays?
- How can we protect the skin against UVA rays?
To answer these questions, meet the Brazilian dermatologist Professor Sergio Schalka, expert in photoprotection.