Dior Airflash Mist in Singapore: A Setting Spray, Not a Foundation
The pink Dior bottle is a makeup setting mist, not a spray-on foundation. If you are comparing it with base products, stop there first: Backstage Airflash Mist is designed to work around the makeup you already wear.

The local details
Sephora Singapore lists 100ml for S$60, with shipping and Click & Collect available when checked. The listing describes a natural finish. It is a separate purchase from your foundation, so include that extra S$60 when deciding whether your current routine needs another step.
Where it fits in the routine
Dior’s directions allow use before makeup, after makeup and for a refresh during the day. The instructions specify closing your eyes and holding the bottle 35–40cm away. Follow the bottle directions rather than treating a fine mist as something to spray at point-blank range.

About that 24-hour headline
The listed 24-hour makeup-setting claim refers to an instrumental test on 30 women wearing their usual foundation. It is a brand test, not an Afterglow finding and not a guarantee that your makeup will survive every commute, meal and workout unchanged. We have not tested its wear in Singapore humidity.
The useful question before buying
What is going wrong with your makeup now: fading, transfer, an unwanted finish or simply a need to freshen up? Ask the counter to explain how this product addresses that specific concern. If your existing setup already does what you want, there is no need to add a luxury spray just because the bottle looks good. Check branch stock before making a dedicated trip.