Is One/Size Vegan & Cruelty-Free? See One/Size Vegan Product List 2024

By Anett Rannamets. Updated: March 2024.
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One/Size Beauty was founded by American beauty influencer and entrepreneur Patrick Starrr in 2020. The aim was to create a brand that celebrates inclusivity and empowers individuals to express themselves through makeup. Starrr envisioned a brand that offers products that work for everyone, regardless of gender or background. The company is located in Los Angeles, California.

The brand focuses on creating versatile and high-quality formulas that cater to various makeup looks and styles. From bold and vibrant colors to everyday essentials, One/Size Beauty offers a wide range of products that inspire creativity and self-expression. One/Size’s website is

One/Size Beauty utilizes pigments and colorants to create vibrant and long-lasting makeup products. These colorants are carefully selected to ensure safety and adherence to regulatory standards. But is One/Size also vegan?

Is One/Size Vegan?

Yes, One/Size is 100% vegan. One/Size does not use any animal-derived ingredients. In addition, they do not test on animals. However, One/Size is not officially certified vegan by any organizations.

One/Size Vegan Overview

Is a vegan brand: yes
Uses non-vegan ingredients: no
Has a vegan selection: yes
Tests on animals: no
Sold where animal testing is mandatory: no
Has a parent company that tests on animals: no

Does One/Size Have Official Vegan Certifications?

No. One/Size is a vegan company but it does not have any official vegan certifications by organizations such as The Vegan Society or PETA.

Does One/Size Test on Animals?

No. One/Size does not test on animals at any stage of production, and it does not sell its products in countries where animal testing is required by law.

Is One/Size Certified Cruelty-Free?

No. One/Size is a cruelty-free company but it does not have any official cruelty-free certifications by organizations such as PETA or Leaping Bunny. However, One/Size states its cruelty-free status on its website.

Who Owns One/Size?

One/Size Beauty was founded and owned by the popular beauty influencer Patrick Starrr, who is also known as Patrick Simondac. One/Size Beauty is owned by Patrick Starrr and does not have a parent company. 

Which One/Size Products Are Vegan?

All of One/Size’s products are vegan and do not contain any animal-derived ingredients or by-products. Therefore, we have made a bestselling list of One/Size’s vegan products below.

Bestselling List Of One/Size’s Beauty’s Vegan Products

Vegan Face Makeup:

Vegan Eye Makeup:

Vegan Lip Makeup:

Vegan Primers And Setting Sprays:


One/Size Beauty, founded by beauty influencer Patrick Starrr in 2020, is a brand that celebrates inclusivity and encourages self-expression through makeup. The brand offers a wide range of versatile and high-quality products. 

One/Size Beauty is proud to be a vegan brand, as it does not use any animal-derived ingredients and does not test on animals. While it is not officially certified by vegan organizations, the brand maintains its commitment to cruelty-free practices.

We hope that other brands like One/Size will take on the goal of going fully vegan one day. Until then keep checking in on Vegan Avenue for an updated vegan product list.

See also: Best Vegan Makeup Brands

Anett is a passionate journalist, writer, and magazine editor with almost 7 years of experience. Through engaging articles, she brings kinder and more environmentally-friendly choices closer to everybody.