Look for a Logo
There are three common logos which certify products not being tested on animals by a supplier, manufacturer, producer, or any third-party entity. These logos act as a certification of merit as brands have to go through a rigorous process before being given the stamp of approval.
Look at ingredients
As some brands put up a faux cruelty free sticker in order to drive up their sales. It is very important to look at the ingredient list at the back of the bottle. Due to the ingredients listed often involves animal by-products or certain chemicals that are often used and tested on animals. Here is a list of ingredients to look out for prior to purchasing a product.
Ask the brand
Some brands may not have certification seals on their products or website. This is because companies need to pay a licensing fee to use them, while the approval process is free.
However, if you are really interested in a brand or a product in particular there are always ways of contacting the brand. This can be accessed either through direct message or commenting on social media, or through their website which will be their a form, phone number or email address.
Do some research
In the rare case that the brand has no cruelty free logo, or lack customer service.
PETA compiles a list of companies that test on animals, as well as, brands that have recently changed their cruelty free status.
There are also relevant iPhone apps created by PETA and the Leaping Bunny to help guide you having to make decisions about selecting a particular brand or product.