My proposal is inspired by the color of the flame, mainly blue and orange. This as a way of providing identity to the commercial premises while being related to the product that is being offered.
The materials used create an industrial and modern style, the reflections of the metals contrast with the concrete walls and the granite floors. The display windows have a white mortar background so that the exposed candles take center stage.
The display windows are made up of 5 horizontal slats and 4 drawers for storing candles.
the orange doors are cabinets that are used to store more products.

I have replaced the wall that faces the interior with a glass panel that goes from the floor to the ceiling, I have annulled the side door and the window that was in the center of the premises.