Sunscreen contains alcohol_What are the effects of sunscreen containing alcohol? What are the harms of sunscreen containing alcohol to the skin?

Sunscreen contains alcohol_What are the effects of sunscreen containing alcohol? What are the harms of sunscreen containing alcohol to the skin?

Sunscreen is a very common skin care product in daily life. Its purpose is to better protect

The skin is not sunburned by strong light or ultraviolet rays. The content of sunscreen is different. Each type of sunscreen has different ingredients. Sunscreen containing alcohol is generally harmless to the skin. The efficacy and content of sunscreen need to be selected according to skin type.

Is alcohol in sunscreen harmful to the skin?

Not very good. Generally, cosmetics suitable for oily skin contain alcohol ingredients, which are intended to control oil, reduce inflammation and remove acne. However, long-term use will cause the skin to become loose, the pores to become larger, and it is easy to cause skin sensitivity. Make sure to buy good quality sunscreen. Some sunscreens not only fail to protect against the sun, but also cause certain chemical reactions under sunlight, which can further damage the skin. If you don't need to be outdoors for a long time, it is recommended that you try not to apply sunscreen on your face. You can use a day cream, primer or foundation with sunscreen effect, which is enough.

Does alcohol in sunscreen have any effect?

Alcohol has two fatal weaknesses that prevent us from using it on a long-term and large scale. First, alcohol is highly volatile, and as it evaporates it takes away moisture from the skin, making it dry. Secondly, high-concentration alcohol has a strong decomposition ability. While breaking down facial oils, it also destroys the skin's own water film, making the skin fragile and sensitive. Therefore, alcohol-containing sunscreen spray is not bad, but it must not be used on large areas for a long time. Oily combination skin: once or twice a week. Sensitive and dry skin should avoid using alcohol-containing sunscreen.

Why is alcohol added to skin care products?

Alcohol has international legal status as an additive to skin care products and can be legally added to various skin care products around the world. It is widely used in skin care products and is often used as a solvent, disinfectant, penetration enhancer, and astringent.

Safe solvent

Alcohol is the only solvent other than water that is allowed to be used in cosmetics and is a relatively safe solvent.

Alcohol can dissolve a variety of oil-soluble ingredients into water, forming a transparent liquid, and is often found in various types of lotions.

Sterilization

Sterilization and disinfection are commonly known functions of alcohol. When the concentration reaches 75%, its disinfection effect is best. Other concentrations of alcohol have other different uses.

Alcohol added to skin care products requires special processing and the added concentration is low, not exceeding 30%. A concentration of 5% is a common dosage. When the added concentration exceeds 20%, no additional preservatives are needed.

Penetration enhancers & astringents

Alcohol is a good penetration aid and astringent. When alcohol penetrates the stratum corneum, it changes the oil morphology of the skin, directly improving the penetration efficiency of active ingredients. While reducing skin oil, it will also indirectly increase the amount of active ingredients penetrating the skin.

Alcohol not only removes excess oil from the skin, but also has the effect of "cold shrinking" the pores. This is because alcohol lowers the temperature of the skin surface as it evaporates, which can visually shrink the pores.

Therefore, alcohol is also often used in oil control, astringent and other products.

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