>>18467948
depends, you would need to take all the disadvantages and adverse effects of both into consideration. but i think the usual way of thinking is that oral isotretinoin is for acne all around the body or in some other severe cases and tret is for face only
>>18471283
>what percent of good skin is just genetic
why not take a good close up look at people you would consider "beatiful" i guess? or maybe compare some known hollywood actors/actresses and your parents (they should be similar age obviously). make sure the pictures are high res and do not use filters (though they usually do)
>hydration
i believe you will find the answer to this after touching woman's hand. if you are a woman, touch man's hand. possibly someone who does not work physically with their hands, otherwise your opinion might be skewed by the possible skin damage they experienced so far in their life