Yes, Kylie Jenner uses Shopify. She uses Shopify to host the Kylie Cosmetics e-commerce website.
According to Ahrefs, Kylie Cosmetics receives ~ 435,000 page views in organic traffic per month and ranks for over 32000 keywords. The top 3 products on her website by page views are
- Kylie Skin
- Kylie Jenner Lipstick
- Kylie lip gloss