Acne avoidance needs lot of care. Use of products play a big role in Acne. If you use a product that can cause comedos- whiteheads and blackheads, you are inviting acne. to avoid acne you should use all products that are certified non- comedogenic. Let us find out what is comedogenicity and how to keep skin clear of acne? Acne And Comedogenicity Most of the materials that are used for skin and body care are tested for comedogenicity. For that test, the material is applied on the inside of rabbit's ear and the site observed after three weeks. A biopsy is taken and comedones counted. Depending on the comedone formation, the material is classified on a scale of 0 to 5. A material with 0 comedogenic potential will not cause comedones, while one with 5 will cause comedones in the largest quantity. Acne- Skin Care Formulations Here, please note that a skin care product may contain more than one ingredient. The manufacturer will label the product as comedogenic or non-comedogenic. Please use non-comedogenic product. Appearance of the product may not indicate its comedogenicity. Mineral oil that looks oily has the no.0! Acne Care- Select Products Acne care needs use of products after careful consideration. Use non-comedogenic products and if after using a product for sometime you find comedones increasing, stop usage for sometime and see the result. You r own judgment will guide you. Keep your skin free of acne. This article is only for informative purposes. This article is not intended to be a medical advise and it is not a substitute for professional medical advice. Please consult your doctor for your medical concerns. Please follow any tip given in this article only after consulting your doctor. The author is not liable for any outcome or damage resulting from information obtained from this article.