Table 3.

Characteristics of the most popular physical and chemical UV protection filters [107–110]

Type of UV filter used to protect the skin	Main substrates used in production	Spectrum of protection and time to take effect
Physical filters	Titanium dioxide (TiO2) Zinc oxide (ZnO)	Stronger UVB protection than UVA, characterized by fast action just after topical application
Chemical filters	Sulisobenzone, oxybenzone, octyl dimethyl PABA, octyl methoxycinnamate, octyl salicylate, homosalate, helioplex, 4-MBC	Full protection and coverage against UVA and UVB approximately 15–25 min after application