it is not epidermis but it is Dermis
<span>True. Gene therapy is still experimental but it uses genes to help treat disorders. Currently, doctors can replace mutated copies of genes with healthy ones. In the future they may be able to insert genes into people's bodies instead of giving them medicine.</span>
Around the 16th week of conception
Ah, my apologies, I’ve not yet heard of such a thing as “vitemin.”