Formula 4. Sunscreen with zinc oxide6

Zinc oxide microparticles 20.00%w/w
Lauryl PEG-9 polydimethylsiloxyethyldimethicone (KF 6038, Shin-Etsu) 5.00
Decamethylcyclopentasiloxane 25.00
Dimethylpolysiloxane 5.00
2-Ethylhexyl-p-methoxycinnamate 10.00
Dimethylsilanediol-hexylmethylsilanediol copolymer 5.00
PEG-9 dimethicone 1.00
Butylene glycol 5.00
Ethanol 3.00
Sodium chloride 0.50
Preservative qs
Water (aqua) qs to 100.00