Sunscreen Ingredients Penetrate The Skin
Between 1% and 10% of some sunscreen ingredients are absorbed into the body through the skin.
The absorption of the sunscreen ingredients into the skin does not occur instantaneously, but the sunscreen concentration in the deeper levels of the skin increases over time. For this reason the amount of time between the topical application of sunscreen and the end of the illumination period is an important parameter in experimental studies. Illumination of those sunscreen chromophores which have penetrated the stratum corneum amplifies the generation of ROS.
Read more about this topic: Potential Health Risks Of Sunscreen, Alternative View
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