Non-comedogenic skincare is recommended in almost every guide to acne-prone skin, including ours. The word appears on moisturizers, sunscreens and makeup. It is helpful, but it promises less than many shoppers think. Here is what the label means and how to use it.
What the word means
A comedo is a clogged pore: a blackhead or a whitehead. "Comedogenic" describes something that tends to cause clogged pores. A product called "non-comedogenic" has been formulated to avoid ingredients that are known to block pores.
Who decides what counts?
In many countries, including the United States, there is no legal definition of the term and no required test. Each company decides what it means by the claim. Cosmetic claims in general must not be misleading, but regulators do not approve the word "non-comedogenic" before a product goes on sale.
How the claim is tested
Some companies test the finished product, usually by applying it to the skin of volunteers for several weeks and counting clogged pores. Others rely on choosing ingredients with a low score on older "comedogenicity scales".
Those scales have limits:
- Many were based on tests on rabbit ears, which react more strongly than human skin.
- Ingredients were often tested at full strength, not at the small amounts used in a real product.
- How an ingredient behaves depends on the whole formula.
A list of "pore-clogging ingredients" found online is therefore a rough guide, not a rule.
Related label terms
| Label | What it usually means |
|---|---|
| Non-comedogenic | Formulated to avoid clogging pores |
| Won't clog pores | Another way of making the same claim |
| Oil-free | Contains no plant or mineral oils; may still contain other rich ingredients |
| Non-acnegenic | Formulated to avoid causing pimples |
| Dermatologist tested | A dermatologist was involved in a test; says nothing about the result |
None of these terms is a guarantee for your skin.
Why a non-comedogenic product can still break you out
- Skin differs from person to person.
- The product may irritate your skin, and irritation can lead to bumps.
- You may be reacting to a different product in your routine.
- Breakouts may be driven by hormones, sweat or friction, not by the product.
How to use the label when you shop
- Use it as a first filter. If your skin clogs easily, choosing non-comedogenic products is still sensible.
- Look at texture. Gels, fluids and light lotions suit oily areas better than thick balms.
- Introduce one product at a time. It is the only way to know what caused a breakout.
- Give it a few weeks. Clogged pores form slowly, so a product needs a fair trial unless it irritates you.
- Keep a note of what suited you. Your own record is more reliable than any list.
The Skincare Ingredient Checker can tell you what an ingredient is used for, and How to Read Skincare Reviews and Compare Products explains how to compare products fairly.
Products where the label matters most
The claim is most useful on products that stay on the skin all day: moisturizer, sunscreen, primer and foundation. It matters less for cleansers, which are rinsed off after a minute. Hair products count too. Oils and pomades that touch the forehead can clog pores along the hairline.
The bigger picture
A non-comedogenic label helps you avoid adding to the problem, but it does not treat acne. Clearing clogged pores needs an active ingredient such as salicylic acid or a retinoid, as explained in Blackheads vs Whiteheads: What's the Difference?. For a full routine, see Skincare Routine for Acne-Prone Skin.
Related on ArniSun
- Skincare Routine for Acne-Prone Skin
- Blackheads vs Whiteheads: What's the Difference?
- Fragrance-Free Body Lotion: How to Read the Label
- How to Read Skincare Reviews and Compare Products
- Skincare Ingredient Checker: Look Up Ingredient Information
Sources and further reading
Frequently asked questions
Is non-comedogenic the same as oil-free?
No. Oil-free means that no oils were added. A product can contain oil and still be non-comedogenic, and an oil-free product can contain other ingredients that feel heavy on your skin.
Are natural oils non-comedogenic?
It depends on the oil and on your skin. Some plant oils feel light and others are rich. Reactions are personal, so test any oil on a small area first.
Do I need non-comedogenic products if I do not have acne?
Not necessarily. If your pores rarely clog, you can choose products by comfort and skin type. The label is most useful for oily and breakout-prone skin.