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2. Hyaluronic acid - Wikipedia

   en.wikipedia.org/wiki/Hyaluronic_acid

   Hyaluronic acid has been used to treat dry eye. [27] Hyaluronic acid is a common ingredient in skin care products. Hyaluronic acid is used as a dermal filler in cosmetic surgery. [28] It is typically injected using either a classic sharp hypodermic needle or a micro-cannula. Some studies have suggested that the use of micro-cannulas can ...

3. List of additives used for fracking - Wikipedia

   en.wikipedia.org/wiki/List_of_additives_used_for...

   [3] [4] [5] Operators are required to disclose the content of hydraulic fracturing fluids to the relevant environment agency [6] while the composition must be disclosed if the regulator demands it. [7] The permitted additives for hydraulic fracturing fluid include polycrylamide, hydrochloric acid and a biocide.

4. Well stimulation - Wikipedia

   en.wikipedia.org/wiki/Well_stimulation

   After initial completion, it is common to use minimal amounts of formic acid to clean up any mud and skin damage. In this situation, the process is loosely referred to as "well stimulation." Oftentimes, groups that oppose oil and gas production refer to the process as "acidization," which is actually the use of acids in high volume and high ...

5. We Ask a Derm: What Is Hypochlorous Acid (and Is It ... - AOL

   www.aol.com/ask-derm-hypochlorous-acid-safe...

   The best way to use hypochlorous acid is through a facial spray. It will absorb quickly and is the easiest, most hygienic way to apply on the skin. A spray is also great to take on the go ...

6. Hydraulic fluid - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_fluid

   A hydraulic fluid or hydraulic liquid is the medium by which power is transferred in hydraulic machinery. Common hydraulic fluids are based on mineral oil or water. [ 1 ] Examples of equipment that might use hydraulic fluids are excavators and backhoes , hydraulic brakes , power steering systems, automatic transmissions , garbage trucks ...

7. Hydrochloric acid - Wikipedia

   en.wikipedia.org/wiki/Hydrochloric_acid

   Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans.

8. Brake fluid - Wikipedia

   en.wikipedia.org/wiki/Brake_fluid

   Brake fluid is a type of hydraulic fluid used in hydraulic brake and hydraulic clutch applications in automobiles, motorcycles, light trucks, and some bicycles. It is used to transfer force into pressure, and to amplify braking force. It works because liquids are not appreciably compressible.

9. Skydrol - Wikipedia

   en.wikipedia.org/wiki/Skydrol

   Acid number (the proportional content of acid, not pH) and particulate contamination must be monitored while using Skydrol, and generally hydraulic systems should be sampled every C check. [2] Generally recommended contamination levels should be better than AS4059 Class 7 as new, and should not be allowed to degrade beyond Class 9.