Bokelskere.no

(…) on any trip to the chemist (I recommend it) you can find a phenomenal array of magic ingredients on the market. Valmont Cellular DNA Complex is made from ’specially treated salmon roe DNA’ (’Unfortunately, smearing salmon on your face won’t have quite the same effect,’ said The Times in their review), but it’s spectacularly unlikely that DNA – a very large molecule indeed – would be absorbed by your skin, or indeed be any use for the synthetic activity happening in it, even if it was. You’re probably not short of the building blocks of DNA in your body. There’s a hell of a lot of it in there already.

Thinking it through, if salmon DNA was absorbed whole by your skin, then you would be absorbing alien, or rather fish, design blueprints into your cells – that is, the instructions for making fish cells, which might not be helpful for you as a human.