I looked into your website zahrahstyle.com and the first impression is really nice. Products also looks good. Now about Marketing here are some tips:
Facebook Ads / Adwords are not sustainable source of traffic. The may give you some traffic boost but you need to develop channels from where you will get constant flow of quality traffic. As you are in the Fashion niche, I will advice you to hit the social media first.
i) Social Media is a place from where you can have descent traffic if you can build an audience.The best thing is you can do it yourself. Here are the steps:
ii) SEO is a sustainable source of traffic. It's a continious work but the result worth it. First try to complete the on page SEO. Check your site with free tools like seositecheckup.com. It will tell you where are you lacking. I will suggest you to hire a professional Shopify SEO expert for your website.
Hope this will help you for a head start :)