If you look at it from an angle and a chemical perspective, can cosmetic masks really work?

When choosing cosmetics, you should consider the following two aspects:

1.The quality of cosmetics.

First of all, the most important thing in choosing cosmetics is to see if the quality is ***. Generally speaking, it is better to choose famous factories and brand-name cosmetics, because the equipment of famous factories is good, the product standards are high, and the quality is high, and brand-name products are generally trustworthy products and are relatively safe to use. Do not buy cosmetics without manufacturers and trade marks, and pay attention to whether the product has an inspection certificate and production license to prevent counterfeiting.

Also pay attention to the production date of cosmetics, generally cream, cream, honey products as far as possible within one year of the factory.

Secondly, learn to recognize the quality of cosmetics.

Recognize by appearance: Good cosmetics should be brightly colored, elegant and soft. If you find that the color is dark and dirty, and the shades are different, it means that there is a problem with the quality. If the appearance is turbid, the oil and water are separated, or there is flocculent, and the paste is dry and cracked, it cannot be used.

Identification from the smell: the smell of cosmetics is some elegant, some strong, but all are pure. If it smells pungent and strange, it means that it is a shoddy or spoiled product.

Identification from the feeling: take a little makeup and gently apply it to the **, if it can be evenly and tightly attached to the skin and has a smooth and comfortable feeling, it is a delicate texture of cosmetics. If there is roughness, stickiness, or even itchiness and dryness after application, it is inferior cosmetics.

2.Personal and environmental factors in the selection of cosmetics, in addition to the quality of the cosmetics, but also take into account the user and environmental factors.

According to the type: oily** people, to use a clean lotion skin care products; People with dry skin should use nutritious moisturizing skin care products; People with normal skin should use gentle skin care products.

According to age and gender: children are young and tender, with little sebum secretion, and special skin care products for children must be used; The elderly** atrophied, dry and thin, should choose skin care products containing oil, moisturizing factors and vitamin E and other ingredients; Men should choose men's skincare products.

Depending on skin tone: When choosing cosmetics such as lipstick, eye shadow, foundation, nail polish, etc., it is important to match the shade of your skin tone. People with fair skin should choose cosmetics with sun protection.

Depending on the season: Depending on the season, the cosmetics used will vary. In the cold season, it is advisable to use cosmetics with moisturizing and moisturizing properties, and in summer, it is advisable to use lotions or powders.

Ice film with hyaluronic acid is good for a month.

OK. However, as a commodity, there are many issues to consider, such as doing different types of tests, such as reducing costs, such as hygiene, safety and other reviews. So you can match it yourself, but you can't use it casually.

You mean exfoliation.

Use with caution. Really, using too many exfoliating products causes the stratum corneum to be too thin, and it is easy to be allergic.

It's an exfoliator, right? As long as**not very sensitive, you can use it!

Honey and royal jelly are different from the sweet water you are talking about, they are not only good for **, but also can regulate the function of various organs in the body if you drink more, anti-cancer and other effects, and the propolis they contain also has the effect of **!

Generally, the shelf life of newly bought cosmetics is within two years, and it can be used up as soon as possible after opening.

The newly bought cosmetics forgot to see the production date, and the packaging box was thrown away, there is no good way, you can only see whether the date on the cosmetic bottle is there, if not, there should be no problem, cosmetics generally can not pass the production date.

The manufacturing date is also on the inner packaging of the cosmetic product.

If you buy it online, go to consult the production date, as long as the small size is **, it will generally not be too long.

**Allergies, first of all, it is necessary to determine the removal of allergens, give allergen immunity** or anti-allergic drugs** to relieve symptoms such as penicillin, etc., and then prescribe the right medicine. If the source of the allergen is not identified, it is necessary to improve the diet, occupation or relocation, stop using any medications, or stay away from any pets in the home. Allergen immunity may be tried when medications do not relieve symptoms of a specific disease**.

If the allergy is more serious, it is recommended to go to a regular hospital for investigation and treatment.

From the perspective of whitening, people always think that the less melanin is combined, the better, however, for people who work in the sun, melanin plays an important role in cancer prevention and health care.

Use fragrance-free makeup and creams that must be thoroughly cleaned**. In addition, it can be combined with facial acupressure to activate** and reduce pigmentation. As long as you're outdoors, regardless of sun exposure, you should come home with a shower and a gentle massage on your body, first with warm water, then with cold water, and apply some body lotion.

Try to minimize direct sunlight and pay attention to sun protection even on cloudy days, as UV rays can unknowingly hurt you**. Eat more fruits and vegetables rich in vitamin C, such as tomatoes, lemons, guava, pudding, hawthorn, fresh leafy greens, etc. Calories are the most important factor in promoting the formation of melanin, so foods with strong photosensitivity, such as parsley, carrots, celery, etc., should be consumed as little as possible.

If you are a student, we recommend Garnier. Since Garnier joined the L'Oréal Group, the improved style is very similar to that of L'Oréal and Biotherm, but it is much cheaper. Relatively speaking, the cost performance is more suitable for students.

In his early 20s, he didn't use Chanel for the rich second generation, and Chanel's skin care products didn't have a good reputation.

If you have more money, it is recommended to use the freeplus series, if you are rich in the second generation, come to the mystery of the sea blue to greet your face.

Oily heavy with honey dry **with cream **moderate moisture general brand can be.

I'm still a student, so I can't afford to buy it too expensive. I usually use some hydration, because I am still young, and hydration is very necessary.

Personally, I think Danzi Water Code and Korean skin food are the best hydrating effects I have ever used. It is not greasy after use, and skin food also has a brightening effect. **It's okay, and it's acceptable to all students.

There are many kinds of brands in one brand, so it is best to find the one that suits you, and it is recommended to buy organic ones.

Dream makeup hydration series, you only need to hydrate and moisturize at your age, and pay attention to eye circles and eye bags.