> What it does is increasing collagen production. That is really interesting. The potential side effects from toxicity listed on wikipedia [1] are ominous. I w

> What it does is increasing collagen production. That is really interesting. The potential side effects from toxicity listed on wikipedia [1] are ominous. I wish there was consumer technology to effectively monitor ones own blood work. [1]: https://en.wikipedia.org/wiki/Retinoid#Toxicity https://en.wikipedia.org/wiki/Retinoid#Toxicity