Hello,
For the Single Product pages on your Site, you have selected a different specific Header Layout named as “Header Flowers” whereas, globally on your Site “Header Flowers Overlap” layout is selected: https://snipboard.io/BrFUiq.jpg
So, if you want to keep this different Header selection, then you need to change the Logo in the above mentioned other Header Layout too by going to the Dashboard > WoodMart > Header Builder: https://snipboard.io/uUGnIQ.jpg
Hope this helps !
Best Regards.