Friday, September 16, 2011

Know your products: comedogenic and irritating ingredients


If I had to ask how many of you pay attention to the ingredients list when choosing a beauty product, the answer would probably be very few.  The main reason for this is that the majority of us (the consumers), have no idea what the scientific names of the ingredients mean.  Nonetheless, I do think that is it crucial to understand the importance of ingredients, especially for those with sensitive and/or acne prone skin.



But what does Comedogenic mean?  This means that the product may contribute to the production of comedones (blackheads and whiteheads), and therefore may cause or aggravate acne.  When ingredients are tested for their comedogenic or irritating level, they are ranked on a scale of 0-5. 0 means that the ingredient is non-comedogenic and non-irritating, while an ingredient that receives a 5 is the worst in terms of comedogenic/irritating levels.


Remember that all ingredient lists in order of predominance, with the ingredients used in the greatest amount first, followed in descending order by those in smaller amounts.  So if you find a product, and you see it has a potentially irritating ingredient towards the end, it is less likely to cause skin problems.


However, actual comedogenicity of a product cannot be predicted from its contents; rather the finished product itself needs to be tested.  Reactions are more likely to occur if the applied cosmetics are left to sit on the skin (e.g. make-up and moisturisers) and are not removed after use (e.g. cleansers)


Tip:


Look for the terms “non-comedogenic” or “non-acnegenic”, and for products that are labeled “oil-free” or “water-based”.  Still, it’s important to test products for yourself rather than to believe statements made on the labels.


Below you can find a list of the most common ingredients found in make-up and skin care products.  For more details I advise you to check my source Dermaxime, where you can find everything you need to know about the subject.


Highly Comedogenic 
Acetylated Lanolin
Algae Extract
Algin
Butyl Stearate
Carrageenan
Cetearyl Alcohol
Cetyl Acetate
Cetyl Alcohol
Cocoa butter
Coconut Butter
Coconut Oil
Colloidal Sulfur
Cotton Awws Oil
D & C Red #17, 21, 3, 30, 36
Decyl Oleate
Dioctyl Succinate
Disodium Monooleamido PEG 2-Sulfosuccinate
Ethoxylated Lanolin
Ethylhexyl Palmitate
Glyceryl-3-Diisosterate
Hexadecyl Alcohol
Isocetyl Alcohol
Isocetyl Stearate
Isodecyl Oleate
Isopropyl Isostearate/Linolate/Myristate/Palmitate (Isopropyl alcohol is OK)
Isostearyl Isosterate/Neopentanoate
Laureth #23, 4
Lauric Acid
Myristyl Lactate/Myristate
Octyl Palmitate
Octyl Stearate
Oleth-3
Oleyl Alcohol
PEG 16 Lanolin
Polyglyceryl-3-Diisosterate
Potassium Chloride
Propylene Glycol Monostearate
Red Algae
Sodium Chloride
Sodium Lauryl Suflate
Solulan 16
Steareth 10
Stearyl Heptanoate
Syearyl Heptanoate
Wheat Germ Oil
Xylene


Moderately Comedogenic
Almond Oil
Apricot Kernel Oil
Arachidic Acid
Ascorbyl Palmitate
Avocado Oil
Azulene
BHA
Benzaldehyde
Benzoic Acid
Cajeput Oil
D & C Red #19, 27, 40
Glyceral Stearate SE
Hydrogenated Vegetable Oil
Mink Oil
Myristic Acid
Olive Oil
PEG 150 Distearate
PEG 200 Dilaurate
PEG 8 Stearate
Sandelwood Seed Oil
Sesame Oil
Shark Liver Oil
Sodium Laureth Sulfate
Sorbitan Oleate
Soybean Oil
Stearic Acid Tea
Sulfated Castor Oil
Sulfated Jojoba Oil
Wheat Germ Glyceride


Highly Irritating
Acetone
Algae Extract
Algin
Cajeput Oil
Colloidal Sulfur
Isocetyl Alcohol
Isopropyl Alcohol
Laureth 4
Octyl Stearate
SD ALcohol 40


Moderately Irritating
BHA
Benzaldehyde
Benzoic Acid
Camphor
Flowers of Sulfur
Isopropyl Myristate
Capric Acid
Caprylic Acid
PEG 16 Lanolin
Solulan 16
Steareth 10
Tridectyl Neopentanoate
Xylene


Next time you shop for a beauty product, keep an eye out!


XOXO
Euphrasie85

Photo from here.

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XOXO Cosette (@Euphrasie85)

 

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