What does non-comedogenic mean?

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What does non-comedogenic mean?

Definition  |  Clinical testing  

Written by the QV science community with contributions from Dr. Niyati Sharma MBBS, FACD, MPH.

Updated on June 30, 2023

Definition

What does non-comedogenic mean?

Non-comedogenic is a term used to describe skincare and makeup products that are formulated in such a way that they are not likely to cause pore blockages (comedones) and breakouts. A comedone is the technical name for a type of pimple that is the result of a clogged pore and appears on the surface of your skin (typically around your face).

We sat down with dermatologist Dr. Niyati Sharma to get the scientific break-down on different skin terms including ‘What does non-comedogenic mean?’

Watch our Science Says video to learn more with Dr. Niyati Sharma
Non-comedogenic is a term used to describe formulation of makeup and skincare that doesn’t result in blocked pores.

Dr. Niyati Sharma

Clinical testing

How can comedogencity be measured?

Comedogenicity can be measured by repeatedly applying the product (under a cloth patch) to the upper back of volunteers 3 times per week, for 6 weeks. The skin of each volunteer is also tested using a positive control (a known comedogenic substance) and a negative control (untreated skin). At the end of this time, skin biopsies are taken and examined under the microscope to count the number of comedones, or blocked pores1,2. 

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References

1. Heinicke I, Adams D, Barnes T, Greive K. Evaluation of a topical treatment for the relief of sensitive skin. Clin Cosmet Investig Dermatol 2015;8:405–12.

2. Spada F, Lui A, Barnes T. Use of formulations for sensitive skin improves the visible signs of aging, including wrinkle size and elasticity. Clin Cosmet Investig Dermatol 2019;12:415–25.