Zinc Oxide 200nm EasyDisperse™ has
How much is SPF sunscreen per 1% in the formula?
Oil base cream formula.
Thank you.
Zinc Oxide 200nm EasyDisperse™ has
How much is SPF sunscreen per 1% in the formula?
Oil base cream formula.
Thank you.
hello
The SPF value obtained from Zinc Oxide is quite low compared to Titanium Dioxide.
Using Zinc Oxide at around 10% may give a value of about SPF 5 but will give a high PA value because Zinc Oxide can block UVA light well.