These are humectants commonly used in beauty cosmetics and are a by-product of petroleum production. They are also known as ethoxylated chemicals. During the ethoxylation process unwanted impurities can form that may cause skin irritation.
PEG (polyethylene glycol), PPG (polypropylene glycol) PEG laurate, PEG-60 almond glycerides, Sodium laureth sulphate, Ceteth-5 steareth-21, Ceteareth-20, PEG-20 stearate, Oleth-10 phosphate, Octoxynol-9, Polysorbate 20 (& 40, 60, 80 etc), Emulsifying wax, PEG-8 stearate, Glycereth-26, PEG-40, Castor Oil.
Alkoxylated petrochemicals can form nitrosamine impurities, which are known carcinogens and may cause skin irritation.
MEA monoethanolamine (MEA), DEA diethanolamine (DEA), TEA triethanolamine (TEA), TEA-lauroyl, acetamide MEA, lactamide MEA, cocamide DEA, cocamine MEA.
Synthetic alcohols and other related chemicals are known to cause skin irritations and some have been shown to promote acne.
Isopropyl palmitate, octyl palmitate, butylene glycol and propylene glycol.
Present as low level impurities in petroleum derived ingredients.
Petroleum jelly (Petrolatum) and paraffin.
The descriptions ‘Fragrance’ or ‘Parfum’ in an ingredient list typically denotes up to 200 different chemicals, most or all of which are man-made. These chemicals are known to cause the majority of allergic reactions with cosmetics and skincare products.
In most cases artificial colours are synthetic and derived from coal tar. Coal tar is a mixture of various petroleum-derived chemicals. If not purified well, coal tar can contain traces of heavy metals known to be carcinogens. They may cause hypersensitivity & irritations or clog your pores, leading to breakouts.
Blue 1, Green 3, Red 27 Lake, Yellow 5 Lake, CI (followed by a number).
Parabens are synthetic chemicals used to inhibit microbial growth and to extend shelf life of products but are widely known to cause skin allergic reactions and rashes.
Ethyl paraben, methyl paraben, butyl paraben, propyl paraben.
Silicone oils are synthetic emollients, which block pores, clog skin, and may cause allergies and skin irritations.
They can often be spotted by the suffix ‘thicone’. for example dimethicone and cyclomethicone.
Commonly used preservatives after parabens and are identified to be a primary cause of skin irritation. They are toxic and can release formaldehyde at just over 10 degrees. Fornaldehyde is a toxic material.
Imidazolidinyl Urea and Diazolidinyl Urea, DMDM Hydrantoin, Methylchloroisothiazolinone.
Often used in cosmetics to adjust the pH, and used with many fatty acids to convert acid to salt (stearate), which then becomes the base for a soap cleanser. Poor quality TEA can contain high levels of nitrosamines which are known sensitisers.
Triethanolamine, TEA Stearate, TEA