According to the conclusion of the National Toxicology Program or NTP that quoted EWG, based on observations of 11 scientists from several universities on the effects of Retinyl Palmitate in animals found that there has been increased activity of skin tumor cell growth if the material is applied to the skin of animals and then exposed to sunlight.
Sunscreen should prevent skin tumor cell growth and not vice versa, so this discovery really surprised. Especially since most of the sunscreen products on the market contain ingredients Retinyl Palmitate.
This result is, of course, received criticism from other scientists. According to them, the results found in animal experiments certainly can not be generalized to humans. Remember, in a sunscreen product does not only contain Retinyl Palmitate but mixed with other ingredients and of course the effect will berebeda.
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