Strawberry legs generally caused by irritation of the hair follicles specially after waxing so first thing is adopting laser hair removal over waxing that will permanently solve the problem. Secondly If you want to try waxing then use soft wax and also apply coconut oil post waxing. Use Antiseptic like Cetrimide before waxing and mild topical steroids or moderately potent steroids can be applied after waxing process for 2-3 days so that it won't give rise to strawberry legs