Perfluorodecalin
What Perfluorodecalin is & what it does
Perfluorodecalin is a fully fluorinated synthetic compound (a perfluorocarbon) known for its high capacity to dissolve and carry oxygen. In cosmetic and sunscreen formulas it is used as a skin-conditioning and texture-enhancing ingredient, valued for being chemically inert and spreading easily on the skin. It is the same class of compound studied as a carrier of oxygen in medical research, which is often cited as a notable property in skincare marketing.
Is Perfluorodecalin safe in skincare?
Perfluorodecalin is used in cosmetics as a skin-conditioning ingredient and is a chemically inert perfluorocarbon, meaning it does not readily react with the skin. It is generally considered safe for topical use at the levels used in finished products. If you have specific sensitivities, patch testing a new product is always a reasonable step.
What does Perfluorodecalin do in skincare?
In skincare, Perfluorodecalin acts as a skin-conditioning and texture-enhancing ingredient that spreads easily and feels light. It belongs to a class of compounds known for a high capacity to carry oxygen, which is often highlighted in product marketing. Its main practical role in cosmetics is improving feel and helping the formula glide on the skin.
Is Perfluorodecalin natural or synthetic?
Perfluorodecalin is a synthetic compound, a fully fluorinated perfluorocarbon made through chemical processing. It does not occur in this form in nature. It is valued in cosmetics precisely because it is stable and chemically inert.
Sunscreens with Perfluorodecalin
We rate 7 sunscreens that contain it:
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it Cosmetics Bye Bye Foundation Oil Fee Matte Full Coverage Moisturizer Spf 50+
84/100
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it Cosmetics CC Cream Oil- Free Matte SPF 40
84/100
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it Cosmetics Bye Bye Foundation Full Coverage Moisturizer With Spf 50+
82/100
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it Cosmetics It CC+ Cream Illumination SPF 50+
81/100
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it Cosmetics Your Skin But Better CC+ Cream With SPF 50+
81/100
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it Cosmetics Your Skin But Better Cc+ Oil-Free Matte With Spf 40
81/100
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it Cosmetics Anti-Aging Armour
80/100