Hyaluronic Acid: what is it, what is it for and how to use it

Hyaluronic acid is a substance produced naturally in the body, being found in larger areas in the skin, connective tissue and eyes, and its function is to retain water, keep tissues hydrated and lubricate the joints, being normal that as the person ages, the production of hyaluronic acid decreases.

Therefore, due to its properties, hyaluronic acid can be applied to the skin to help smooth wrinkles or expression lines, in addition to being able to be used for lip application, or even, for the treatment of problems in eyes or joints , such as dry eye or osteoarthritis, for example.

Hyaluronic acid can be found in the form of a gel, cream, capsules, oral solution or eye drops, and must be used only under the indication of a dermatologist, plastic surgeon, ophthalmologist or orthopedist.

what is it for

El hyaluronic acid is indicated for:

  • Favor skin rejuvenation;
  • Keep the skin hydrated and reduce the dry skin;
  • Improve skin elasticity;
  • Decrease sagging;
  • Reduce wrinkles and lines of expression;
  • Lip application;
  • Reduce ojeras;
  • Correct deep scars caused by acne;
  • Aid in the healing of chronic ulcers in the skin;
  • Relieve the pain of canker sores or ulcers on the mucosa of the mouth.

In addition, the injected hyaluronic acid can also be applied in the joints by the orthopedist for the treatment of health problems such as osteoarthritis or arthritis. Hyaluronic acid eye drops can be indicated by an ophthalmologist for the treatment of dry eye or to be used during cataract surgery, for example.

Hyaluronic acid in injected form must be applied only by the doctor, according to the condition to be treated, and in the presentation of cream, capsule, oral solution or eye drops. Its use must always be guided by a doctor.

How to use

The way in which hyaluronic acid is used can vary according to the objective, and can be indicated by the dermatologist in the form of a gel, capsules, eye drops, oral solution or through the application of injections in the treatment area.

1. Injectable hyaluronic acid

The injectable hyaluronic acid is a product in the form of a gel, indicated to fill wrinkles, furrows and lines of expression on the face, usually around the eyes, from the mouth and on the front. It is also used to increase the volume of lips and lips, and to correct wrinkles and acne scars.

  • How to apply it: Hyaluronic acid must always be applied by a dermatologist or plastic surgeon in dermatological clinics. The professional performs small punctures in the place where it is intended to apply the acid and uses local anesthesia to reduce the sensitivity and pain during the treatment. This procedure takes approximately 30 minutes, with no need for hospitalization;
  • Results: the results of its application appear immediately after the procedure; it lasts between 6 to 24 months, depending on the organism of each person, the amount of gel, the depth and the amount of wrinkles.

After the application of acid, it is common to experience pain, swelling and bruising at the application site, which generally disappears at the end of a week. However, to reduce discomfort, you can apply a bandage with a compress for 15 minutes, several times a day.

In addition, the injectable hyaluronic acid can be used by the orthopedist to apply it directly to the joint in cases of osteoarthritis or arthritis. See how the treatment of osteoarthrosis is performed.

2. Cream with hyaluronic acid

The cream that contains hyaluronic acid promotes skin hydration, while retaining a large amount of water, giving the skin a firm and smooth appearance. This product can be used by men and women, from 45 years of age.

  • How to apply it: the cream with hyaluronic acid must be applied directly to the skin, 3 to 4 times a week, spreading a small amount all over the face, after cleaning the skin. Learn step by step how to clean skin at home.
  • Results: the application of creams with hyaluronic acid offers better results in preventing wrinkles, rather than treating them. However, it can be applied when the person has a wrinkled skin, acting as a moisturizer and giving the skin a more youthful and healthy appearance.

The application of creams with this acid, normally, does not cause side effects, however, some people can present an allergic reaction, causing symptoms such as reddened skin or comezón. In these cases, you should suspend your application and consult a dermatologist.

3. Capsules with hyaluronic acid

Capsules with hyaluronic acid have a potent anti-aging effect, as they help repair tissues and maintain skin elasticity.

  • When to take them: if you have to take 1 capsule a day with food, it can be on the scene, for example; It should only be administered during the time indicated by the doctor, which normally does not exceed 3 months.
  • Side effects: Generally, these anti-wrinkle tablets do not provoke secondary reactions, being safe to administer.

This medicine, in addition to treating wrinkles, also prevents them, delays the appearance of the first and the most profound ones; making them thinner. For this reason, these capsules can be taken even before wrinkles appear.

4. Hyaluronic acid oral solution

The oral solution of hyaluronic acid in the form of an oral spray helps to reduce the pain and discomfort caused by canker sores or ulcers in the mouth, as it forms a protective film on the oral mucosa, keeping it hydrated and accelerating the healing process.

  • How to apply it: The oral solution of hyaluronic acid can be applied to the sore or ulcer, 2 to 3 times a day, for 1 week. The application must be carried out after washing the mouth, keeping the solution in the mouth, making mouthwashes for at least 1 minute and then escupiring the solution. You should wait at least 30 minutes to drink water or eat food.
  • Results: the oral solution of hyaluronic acid presents an immediate result in the relief of pain and discomfort.

This solution should be used only under the indication of a general practitioner or dentist.

5. Hyaluronic acid eye drops

Hyaluronic acid in the form of eye drops can be started by the eye doctor in cases of dry eyes caused by insufficient tear production or corneal injury, such as dry keratoconjunctivitis or dry eye syndrome, for example, it helps to lubricate los eyes, relieving the symptoms such as burning, comezón the reddening of the eyes.

  • How to use: 1 to 2 drops of hyaluronic acid eye drops should be applied in the conjunctival sac of the affected eye, up to 3 times a day, or according to the orientation of the ophthalmologist.
  • side effectsHyaluronic acid eye drops are generally well tolerated, although it can cause blurry eyes after application due to the viscosity of the substance, which improves quickly. In addition, even though it is rare, there can also be intolerance to eye drops, with burning sensation in the eyes.

Hyaluronic acid eye drops can be found in pharmacies or drugstores, with 0.4% hyaluronic acid, under the commercial name Hyalox often, and should be used under the guidance of an ophthalmologist.

In addition, the hyaluronic acid eye drops can be used by the ophthalmologist during cataract surgery, as it helps to reduce inflammation and accelerate healing.


Hyaluronic acid in the form of supplements, capsules or tablets should be avoided in embarassed women or those who are lactating, as well as in people with a history of cancer.

Hyaluronic acid in cream must not be used in people with scleroderma, as this substance promotes a reddening of the skin, which can worsen the symptoms of the illness.

In addition, hyaluronic acid must be avoided in people with allergies to this substance or to any other component of the formula.

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Consult a Doctor | Translated by User2937

Content for educational purposes only

The translator user relied on the following text:

Tua Saude Website – REF93782 – Verified

Disclaimer – (English version>) This content has been prepared based on information from research, additional publications, or the translation/verification work of a volunteer editor of This is a non-profit service. It is strongly recommended that all details and information published be carefully verified with your trusted doctor, this being just a vehicle for basics about certain healthy behaviors, conscious food consumption and other notions. We never allow medication recommendations, medication package inserts or any medication guidance.

Disclaimer – (Portuguese version>) Este conteúdo foi elaborado com base em informações de pesquisas, publicações adicionais ou pelo trabalho de tradução/verificação de um editor voluntário de Trata-se de um serviço sem fins lucrativos. É fortemente recomendado que todos os detalhes e informações publicadas sejam cuidadosamente verificados com seu médico de confiança, sendo este apenas um veículo para noções básicas sobre determinados comportamentos saudáveis, consumo consciente de alimentos e outras noções. Nunca permitimos recomendação de medicamentos, bulas de remédios ou qualquer orientação medicamentosa.

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