What recommendations do you provide to isotretinoin patients about delaying cosmetic procedures (lasers, fillers, botox) once they have reached their goal dose?  

We basically perform any and laser procedures, even when patients are on isotretinoin if it is appropriate as far as the indication. We do tend to wait for 3 to 4 months for ablative fractional treatments, but all other treatments, such as hair removal, pigment removal, and vascular laser removal, ...

This article is helpful in answering specifics on cosmetic treatments and isotretinoin timing. Spring et al., PMID 28658462