Activity for Franck Dernoncourtâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What does "UVA in-vitro 49" mean in a sunscreen's description? I read on https://www.walmart.com/ip/Isdin-UV-Care-FotoUltra-Active-Unify-Fusion-Fluid-Color-SPF-50-50ml/304385886: Isdin UV Care FotoUltra Active Unify Fusion Fluid Color SPF 50+ 50ml is a tinted sun fluid with depigmenting action with SPF 106 and UVA in-vitro 49, that clarifies and evens the co... (more) |
— | almost 5 years ago |
| Question | — |
What is the difference between SPF and UPF, if any? I read on https://en.wikipedia.org/w/index.php?title=Sunprotectiveclothing&oldid=930941768: A relatively new rating designation for sun protective textiles and clothing is UPF (Ultraviolet Protection Factor), which represents the ratio of sunburn-causing UV measured without and with the prote... (more) |
— | almost 5 years ago |