The composition of cosmeticpenpackaging eyebrow pencil and pencil is different. Eyebrow pencils are mainly composed of four materials: oil, grease, wax and pigment. Common eyebrow pencils are mostly made of beeswax, paraffin, petrolatum, cocoa butter, carbon black pigments and other materials. A better eyebrow pencil will also add vitamin A, vitamin E and other ingredients to protect the skin, care for the pores, and make the eyebrows slender and thick over time.
The production process of eyebrow pencil is through the technology of injection core, so that all the raw materials are injected into the pen core and made into a pencil shape. The main ingredient of pencils is lead, which is often in contact with human skin and has certain toxicity. It can be seen that eyebrow pencils with quality assurance are generally very safe makeup products, and there is no need to worry about being toxic.
But be careful not to let the tip of the eyebrow pencil touch the eyelid area. Since the refill of the eyebrow pencil contains allergens, it may cause eye discomfort or even allergic contact dermatitis after contact with the delicate skin parts of the face such as the eyelids.
Eyebrow pencils have a shelf life. Eyebrow pencil is an important cosmetic tool used to draw and color eyebrows. It is usually a pen-shaped solid product, so the shelf life of eyebrow pencils is relatively long. Generally speaking, the shelf life of unopened eyebrow pencils is three years. The used eyebrow pencil is easy to be exposed to the air, so that the oily substances in it are evaporated, so the shelf life is also greatly shortened to one year.
The performance of eyebrows after expiration is that it is easy to fall off and break easily. Although the eyebrow pencil lead is a solid material, it is also very fragile. If you do not pay attention to the method and use too much force, it will cause the eyebrow pencil lead to break. Expired eyebrow pencil will appear uneven smear, not easy to color or even slag when drawing eyebrows.
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