After bathing in beach morning sun for hours nd without sunscreen(moreover stopped retnoid only 3 day before ) so my skin has been damaged now at 30 and tanned i want to go for IPL photofacial but I have just started tetrinoin 0.025 last month few times week.how many days before it is safe to stop retinoid and i also have lot of facial hair( thin but long)on skin so do need to shave that or wax that before treatment?nd how many days after suntan safe go for treatment?