Q948609 • Matemática • Progressão Aritmética • FAG • FAG • Primeiro Semestre Chris Birchby, founder of sun-care Coola argues that: a) The higher the values of the SPF the lower the chances are of skin irritation. ✂️ b) SPF under 50 are not recommended because they contain more active ingredients which could cause skin irritation. ✂️ c) The higher the values for SPF the lower is the risk of skin irritation. ✂️ d) The protection of SPF above 50 is so effective that it outweighs the chances of skin irritation. ✂️ e) The extra ingredients used on SPF above 50 could increase the chances of skin irritation ✂️ Resolver