The idiomatic expression "from head to toe" means completely, in every part or aspect. It is used to describe something that is done thoroughly and entirely, or an action that covers all areas or aspects of a subject matter.
Usage examples
She looked stunning in her new outfit, with attention paid to every detail from head to toe.
He was so tired after the long hike that he was covered in sweat from head to toe.
The spa treatment left her feeling refreshed and rejuvenated, as they pampered her from head to toe.
The athlete's injury was severe, causing him pain from head to toe.
The bride was radiant on her wedding day, with her beauty shining from head to toe.
The toddler had gotten into a mess with paint and was covered in it from head to toe.
I am really eager to try an all red look from head to toe paired with this skirt. (aikaslovecloset.com)
The sight of dozens of people covered from head to toe in thick grey mud can take some getting used to, but it all adds to the richness of the experience. (cnbc.com)
Little girls can be dressed from head to toe with a variety of different accessories that will go well with a number of outfits. (abckidsinc.com)