How to tell if cosmetics are expired? Is it harmful to apply expired cosmetics on the face?

It is human nature to love beauty. As early as the primitive period, humans began to use some special things to decorate themselves and make themselves more beautiful. Archaeologists have found beautiful beads made of pebbles, shells or animal teeth on the remains of primitive humans, which were used for decoration; traces of beauty makeup were found on cave murals. Knowing something about the past may be good for your life. So how do you judge whether cosmetics are expired? Is it harmful to apply expired cosmetics on your face? Let's take a look at the introduction of Encyclopedia Knowledge Network!

Contents of this article

1. How to judge whether cosmetics are expired

2. Is it harmful to apply expired cosmetics on the face?

3. Are cosmetics considered expired if they are unopened for 5 years?

How to tell if cosmetics are expired

You can tell whether cosmetics are expired by their color, smell, and texture. Once cosmetics expire, their color will generally change, and their texture and structure will also change. For example, some skin care products with lotion texture will become darker in color after they expire.

Cosmetics refer to chemical industrial products or fine chemical products that are spread on any part of the human body by smearing, spraying or other similar methods for the purpose of maintaining good condition.

Between the 5th century BC and the 7th century AD, there were many legends and records in various countries about the production and use of cosmetics, such as the ancient Egyptians using clay to curl their hair and the ancient Egyptian queens using verdigris to draw eye circles.

Cosmetics can be divided into ordinary cosmetics (also known as non-special cosmetics) and special cosmetics according to their functions. The main ingredients of cosmetics are different and are related to the skin characteristics of each person.

Is it harmful to apply expired cosmetics on your face?

Yes. For unopened expired cosmetics, the harm is not great and they can still be used for a period of time after the expiration date. If the expired cosmetics have been opened for a long time and the color, appearance and smell have changed substantially when used, it will cause great harm to the skin, causing acne, spots, acne, etc., and causing inflammation, etc.

When cosmetics expire, the nutrients in them will deteriorate, resulting in excessive microorganisms, causing allergies, inflammation, folliculitis and other skin problems. Moreover, for people with skin trauma, using expired cosmetics may also cause wound infection and suppuration, seriously affecting skin health.

If you use expired cosmetics but do not experience any discomfort, it does not matter much, but you should try not to use these expired cosmetics. If you experience allergic reactions, acne, inflammation, etc., you should stop using them immediately and go to the hospital for medical treatment.

When buying cosmetics, try to choose small-dose cosmetics to avoid overdosage that may lead to unused cosmetics and expired cosmetics. Before using cosmetics, check the expiration date to avoid using expired cosmetics. Before buying, check the production date and expiration date to avoid buying cosmetics that are close to expiration.

Are cosmetics considered expired if they are unopened for 5 years?

Cosmetics are considered expired even if they have not been opened for five years. Cosmetics have two shelf lives. One is for unopened cosmetics, which has a shelf life of about 3-5 years at most. The shelf life of opened cosmetics is between 6 months and 1 year, but it also depends on the different cosmetics.

Cosmetics refer to chemical industrial products or fine chemical products that are spread on any part of the human body by smearing, spraying or other similar methods for the purpose of maintaining good condition.

The history of cosmetics can almost be traced back to the beginning of human existence. Between the 5th century BC and the 7th century AD, there were many legends and records about the production and use of cosmetics in various countries.

Over the past 30 years of reform and opening up, my country's cosmetics market sales have grown at an average annual rate of 23.8%, with the highest year reaching 41%, a growth rate far higher than the average growth rate of the national economy.