Disclaimer: Contains affiliate links.
I have curated a list of the best websites that I use to purchase my clean and green beauty products. They all carry awesome brands and have great buying perks and customer service.
Clean beauty websites that ship to UAE/worldwide

This website is a life-saver for UAE-based people who prefer using clean beauty products. They stock up some of my favorite brands and products, including Tabitha James Kraan, Routine Cream and Fedua as well as unique niche fragrances. They always include samples, they spray the packaging material with their best-selling scent of the week and they offer free delivery on orders above 250 dhs. Wow enough?

Alyaka, a UK-based website, carries a lot of amazing clean beauty brands, and offers free delivery to the UAE while deducting UK tax! They also have awesome brand-based Beauty Boxes that offer samples of your choice, and the value of the box can be redeemed from Alyaka within a month against a product from that brand. How cool is that? The brands that have a beauty box are: RMS Beauty, Ilia Beauty, Vapour Organic Beauty, Kypris, Mahalo, Axiology Beauty, Kosas Beauty, Kjaer Weis and Gressa.
Click here and use code 10OFF for 10% off of your first purchase!

Beauty Heroes
The coolest website for purchasing clean beauty is Beauty Heroes. Subscribing to their monthly boxes gives access to amazing full-sized products at a fraction of their price, as well as a 15% discount on all products in store throughout the membership term. I have just received this Ayuna Less is Beauty box that is worth $252 which I have technically bought for only $42.95 with their 3-month subscription! As if I need more perks to love Beauty Heroes, shipping to the UAE is the cheapest amongst all US-based websites.
Click here to subscribe to Beauty Heroes!

The Detox Market houses most conventional clean beauty brands, including Josh Rosebrook, Odacite, Henne Organics and Gressa. Earn Detox Points with each order that can be redeemed later as a discount. They also have a subscription box available but I have yet to try it.

Safe and Chic has most conventional clean beauty brands available, and often has flash discounts.
US-based websites
If you have access to US-based online stores, then purchasing from these websites is a must!

A niche skincare brand, Blissoma has quickly become a favorite. Its products are clean, effective and well-priced.

While there are numerous US-based websites that sell the common clean beauty brands that we are now accustomed to, Credo goes the extra mile by offering even more niche clean brands, and I’m all about that! Some of these brands are Y et Beaute, Saint Jane and Crop Natural. As with other websites, points are collected with every purchase, redeemable as a discount later on.

My first ever haul of clean beauty products was from Integrity Botanicals. They have an amazing sample program where you get 3 free samples with every order, apart from the ones you can purchase. You also collect points with every purchase, which can be redeemed as a discount later.