Видео ютуба по тегу Zonnebrand Factor

Dr.Nameer Abdul Majeed talks about SPF (Sun Protection Factor)
Dr.Nameer Abdul Majeed talks about SPF (Sun Protection Factor)
Mayo Clinic Minute: Uncovering ultraviolet protection factor (UPF) in clothing
Mayo Clinic Minute: Uncovering ultraviolet protection factor (UPF) in clothing
Sun Protection Factor (SPF) Explained | Dr Deepika Lunawat
Sun Protection Factor (SPF) Explained | Dr Deepika Lunawat
What's the difference between SPF vs. UPF?
What's the difference between SPF vs. UPF?
The Science of Sunscreen
The Science of Sunscreen