متن اصلی - انگلیسی - Tanning make-up products are not suntan lotions...

Tanning make-up products are not suntan lotions and will not protect your skin from the sun.
4. Use sunscreen. Sunscreens are rated in strength according to a sun protection factor (SPF), which ranges from 2 to 30 or higher.
A higher number means longer protection.
Buy products with an SPF number of 15 or higher.