Receive FREE Yves Saint Laurent Lash Clash Extreme Volume Mascara Sample. A couture mascara that delivers extreme buildable volume and an intense black finish. The oversized mascara brush and fragrance-free, paraben-free formula deliver buildable extreme black color with all-day long-lasting wear. In order to get this freebie, you need to click on the “Get FREE” button. If you don’t see the post show up after checking their page, the first thing you’ll want to do is head on over, follow their Facebook page, follow them on Instagram, and then like their posts. Next search brand and product name on Google and scroll a page or two. You could also visit their website. The ad with the free offer may pop up on your newsfeed at once or in the days to follow. Please note: You may still not get this offer on your newsfeed even if you have done all the above. US only.