The O. Blog

Written by us with your skin in mind. The O. Blog uncovers the science behind your skin, and offers an inside look at our formulations, and the key ingredients that make them so well-loved.


July 10, 2024
Why Your Body Deserves As Much Attention As Your Face
May 21, 2024
Back to Basics: Understanding Skincare Toners
May 10, 2024
The Ordinary’s Guide to Ferments
May 7, 2024
Introducing the New Saccharomyces Ferment 30% Milky Toner


April 30, 2024
Back to Basics: Exfoliation
Retinal 0.2% Emulsion
March 12, 2024
Meet the New Retinal 0.2% Emulsion
Person dropping Hyaluronic serum on cheek
March 6, 2024
Hydration Heroes
The Ordinary retinoids products shown in front of and image of retinoid swatches
February 29, 2024
Back to Basics: What are Retinoids
March 12, 2024
Your Comprehensive Guide to Using Retinoids
three of The Ordinary moisturizers standing on a shelf
February 25, 2024
How to Find the Best Moisturizer and Why it Matters
hyaluronic acid guide
February 21, 2024
Ingredient Deep Dive: Hyaluronic Acid
The Ordinary Hyaluronic Acid 2% + B5 Serum on a surface
February 13, 2024
Reintroducing our Hyaluronic Acid 2% + B5 Serum
February 13, 2024
Winterize Your Skincare Regimen
January 30, 2024
The Science of Hydration
January 15, 2024
Unlock the Power of Peptides
December 15, 2023
The Ordinary at #CPHFW
November 10, 2023
Product Spotlight: Glycolic Acid 7% Exfoliating Toner
November 10, 2023
Ingredient Deep Dive: Squalane
November 1, 2023
A Beginner’s Guide to The Ordinary
September 28, 2023
How to Build a Regimen
September 15, 2023
Meet Our New Soothing & Barrier Support Serum
September 5, 2023
Breaking the Cycle -Understanding and Soothing Sensitive Skin
August 21, 2023
The Ultimate Guide to Understanding Your Skin Barrier