
Innisfree Auto Eyebrow Pencil No.4 is a product with 19 ingredients: Hydrogenated Soybean Oil, Hydrogenated Coco-Glycerides, Iron Oxides, Titanium Dioxide, Mica, Hydrogenated Vegetable Oil, Zinc Stearate, Stearic Acid, Copernicia Cerifera (Carnauba) Wax/copernicia Cerifera Cera/cire De Carnauba, Iron Oxides and 9 more.
Contains: Vitamins - Ascorbyl Palmitate (Vitamin C Palmitate); Antioxidant - Tocopherol, Ascorbyl Palmitate (Vitamin C Palmitate);
Organic score: 32% natural, 58% chemical. Vegan - No; Cruelty free - No; Reef safe - Yes;
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INCI - Full Breakdown
Iron Oxides are colorants. They give different colors to the product: yellow, red, or black. Different scientific researches show that they are much safer than other organic colorants. That's because they are much more stable and they don’t provoke allergic reactions. Though they can be received from minerals organically, manufacturers don’t use natural Iron Oxides. They chemically synthesize them in a laboratory to get a pure component without extra chemicals.
Titanium Dioxide is a very effective sunscreen. It belongs to physical sunscreens, meaning it reflects the UV rays like a mirror. The component is a mineral with white color. That’s why it’s also used in different powders as a pigment or brightener.
The component can be both safe and unsafe. It’s reported to be possibly carcinogenic to humans when inhaled. That’s why we don’t recommend using products where TiO2 is used in the form of powder and can be inhaled.
Sometimes it can be a nanoparticle. We recommend avoiding this form because it’s not researched well enough. A safer option is to use a non-nano form.
Mica is a natural mineral used in cosmetics because of its beautiful and shiny appearance. It’s used in powders, highlighters, and other makeup products. It’s absolutely neutral to our skin and will not cause any skin-related problems.


Stearic Acid doesn’t belong to aggressive acids. It’s a fatty acid that can be found in Shea Butter, Cocoa Butter, and many natural butters and oils. The component is mostly used for formulation purposes. It makes the product spread and feel better. It’s one of the most important fatty acids in our skin cells.
Iron Oxides are colorants. They give different colors to the product: yellow, red, or black. Different scientific researches show that they are much safer than other organic colorants. That's because they are much more stable and they don’t provoke allergic reactions. Though they can be received from minerals organically, manufacturers don’t use natural Iron Oxides. They chemically synthesize them in a laboratory to get a pure component without extra chemicals.
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