: You can often request a 10-day sample at counters for brands like Estée Lauder or ask for a small pot at Sephora or MAC (policy varies by location). Tips for Successful Testing
Companies should sell foundation sample packs : r/muacjdiscussion buy foundation samples
: Major retailers like Sephora allow you to choose two free samples with online orders, often including foundation foil packets. : You can often request a 10-day sample