Yves Saint Laurent is offering free samples of its Lash Clash Extreme Volume Mascara Sample in the mail. This is for select Facebook accounts. Try liking the YSL Beauty Facebook page and visiting the site, then keep an eye for the offer in your Facebook or Instagram newsfeed (see below a screenshot of the post to look for). You might see the offer right away or in a few hours or days. 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.