Absorption rates through skin

jyb

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http://www.nature.com/jid/journal/v54/n5/pdf/5618185a.pdf

Closely related compounds showed great differences in penetration. Benzoic acid was absorbed at 200 times the amount of its glycine conjugate—hippuric acid. Nicotinic acid barely penetrated; 10% of its amide, nicotinamide, penetrated. This suggests that molecules may be tailored to decrease or increase penetration as needed for the most suitable biological function.
 

4peatssake

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How interesting!
Thanks for posting this jyb
 
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