If you're bronzing at a salon, wear loose, long-sleeve loungewear, says Ahnert, who offers tanning services in her N.Y.C. makeup studio. Besides the delayed glow from DHA, most formulas also deliver a temporary tint that can wash off. So, "the more covered-up you are afterward, the less likely it is that your new color will rub off on anything." And stick with dark clothing—if there are any smudges, they'll be less obvious.