Eye wash is considered Pharmaceuticals
Many people are prone to visual fatigue or dry eyes due to overuse of their eyes due to intense work, long-term exposure to computers, or due to the influence of dust, sand, cosmetics, contact lenses, etc. Discomfort and other problems. Eye wash has the functions of cooling and relieving itching, promoting eye nutrition, keeping eyes moist and hygienic, and avoiding conjunctival congestion. It is generally used to prevent and reduce eye discomfort and eye dryness caused by wearing contact lenses or eye dirt; it can also be used to relieve conjunctival congestion, dryness, astringency, itching, pain, etc. caused by cosmetology, swimming, dust, powder or sweat entering the eyes. Discomfort. It is relatively convenient to operate, so it is very popular among young people.
Strictly speaking, eyewash can be regarded as a pharmaceutical product. The main ingredients contained in eyewash are generally glycerin and sodium hyaluronate. Both of these are good moisturizers and moisturizers. It also contains taurine, vitamins and other ingredients that are beneficial to the eyes. However, since preservatives can cause certain damage to the eyeballs, eye washes generally do not contain preservatives, so use them as soon as possible after opening!
Eye washGlycerin:
According to supply Understanding glycerin:Glycerin (also known as glycerol) is colorless, odorless, sweet in appearance, An organic substance in a clear viscous liquid state. It is miscible with water, alcohols, amines and phenols in any proportion, and the aqueous solution is neutral. Glycerin is a polyol moisturizer. The hydroxyl groups in the molecular structure can form hydrogen bonds with water molecules, which plays a good role in absorbing and locking water. Glycerin has a wide range of uses. Currently, it has more than 1,700 uses. It is used in both food and industry.
Eyewash is not necessary to use every day:
It is used to rinse the surface of the eyes. Foreign objects (hair, bugs, dust, etc.) that enter the eye surface. In an emergency, rinse and dilute harmful chemicals such as acid solutions, alkali solutions, and corrosive solutions that splash into the eyes. Therefore, its main ingredient is water, and its secondary ingredients are sodium chloride, preservatives, and hydrochloric acid and sodium hydroxide used to adjust the pH value. The ingredients are simple and can neither replenish tears nor remove makeup. Therefore, it is not necessary to use it every day. It is used for emergency self-rescue.
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