Suntan lotion or sunscreens do not lose their effectiveness very rapidly, but eventually oxidize or clump. Some lotions containing organic chemicals can be substantially degraded within a year or two after being opened, but will still offer some protection. If you find that it is not working as well as needed, you should buy new lotion. The shelf life of some products is 3 years.
(see related question)
Suntan lotion is to prevent the tanning from sun. Suntan lotion are used for preventing skin darkening or tanning. You should apply suntan lotion half an hour before going out .
suntan lotion is bad because it does bad things for your skin.
Suntan lotion
You buy it.
no because suntan lotion is sunscreen that will not let you tan or get sunburnt
sure
coppertone suntan lotion
I would wait about 15 minutes...It might say on the back of your suntan lotion in the directions
The first formula for suntan lotion was invented by a man named Eugene Schueller in 1936.
coppertone suntan lotion
ZnCO3
Eugene Schueller