How to Use Hyaluronic Acid
To use hyaluronic acid, start by choosing a serum that works best for your skin type. If you have oily or combination skin, try a water-based serum to avoid introducing too many unnecessary oils to your skin. Alternatively, find an oil-based serum if you have dry or normal skin. Oil-based products will help retain water on the surface of your skin so it's more hydrated. Once you have your product, test it somewhere discreet, like behind your ear, to see the effect on your skin. If you don't have a reaction, cleanse and tone your face as usual, then apply a thin layer of hyaluronic acid serum to your damp skin to help it absorb better. Use your serum in the morning and at night for the best results.
Buy a serum with a mix of molecule sizes to penetrate the skin. Hyaluronic acid molecules are normally too large to pass through the layers of the skin. You'll want to find a product that provides a variety of molecule sizes to get better benefits from topical application. Lower molecular weights can go deeper into the skin. Not all products list these, so it's best to research online or ask the manufacturer for more details. Use a water-based serum if you have oily/combination skin. This will help you avoid introducing too many unnecessary oils to your skin. Find a water or oil-based serum for dry/normal skin. Topically applied, oil-based products will hold water on your dry skin's surface and hydrate cells without blocking pores. Test your product first to see if your skin reacts. Apply hyaluronic acid somewhere discreet, like behind your ear to test the effect on your skin. It is unlikely to cause a reaction as it occurs naturally in the body. Use once per day or every other day initially to ensure it's safe in the long term Cleanse and tone your face as you normally would. Follow your regular skin cleansing routine up until before you add moisturizer. Apply a thin layer of hyaluronic acid serum to damp skin. Having moisture already on the skin allows your choose hyaluronic acid serum to be absorbed better. Hyaluronic acid works by retaining moisture, so you'll need to give it something to work with. Use hyaluronic acid serum in the morning and at night. In the morning, it can give your skin additional moisture to soften it throughout the day. Used at night time, hyaluronic acid will help replenish the moisture lost during your day's activities. Choose a hyaluronic acid cream to lock in moisture. Since moisturizing creams sit on the surface of the skin, they work to hold moisture within the skin's surface. Adding hyaluronic acid moisturizer to your existing skincare regime will give you the best results from your hyaluronic acid treatment. Look for a concentration of at least 0.1% hyaluronic acid in your cream. Any less than this and you'll reduce the effectiveness of the moisturizing cream. Studies show that this level of hyaluronic acid is effective for hydrating skin and maintaining skin elasticity. If you have sensitive skin, you may want to keep to lower strength hyaluronic acid formula so you don't risk a reaction or dryness. Add hyaluronic acid to your existing moisturizer. If you have a moisturizer that works for your skin already, simply add hyaluronic acid to this to utilize its benefits. Research the ingredients in your product to ensure you'll achieve the correct concentration of hyaluronic acid. Apply as often as required. It is safe to use hyaluronic acid every time you follow your skincare routine. This will depend on your individual routine and requirements, but the addition of hyaluronic acid will not affect these timings. Consult a dermatologist to use hyaluronic acid for healing skin. If you're looking to heal lines or scars, ask a medical professional about hyaluronic acid dermal filler injections. Since this allows the hyaluronic acid to penetrate beneath the first layers of skin, it is a more effective way to heal skin on a molecular level. Choose a licensed healthcare provider. Do your research beforehand and ask about their experience with dermal injections, and discuss treatment options before going ahead with hyaluronic acid filler treatments. Ensure they are using approved substances, depending on your region's laws. Know the risks of dermal fillers. Side effects of hyaluronic acid fillers include redness, swelling, itching and pain at the injection site. In rare instances, you may experience more serious side effects, so it is important to discuss this with your healthcare provider and understand the risks. 
Buy a serum with a mix of molecule sizes to penetrate the skin. Use a water-based serum if you have oily/combination skin. Find a water or oil-based serum for dry/normal skin. Test your product first to see if your skin reacts. Cleanse and tone your face as you normally would. Apply a thin layer of hyaluronic acid serum to damp skin. Use hyaluronic acid serum in the morning and at night. Choose a hyaluronic acid cream to lock in moisture. Look for a concentration of at least 0.1% hyaluronic acid in your cream. Add hyaluronic acid to your existing moisturizer. Apply as often as required. Consult a dermatologist to use hyaluronic acid for healing skin. Choose a licensed healthcare provider. Know the risks of dermal fillers. 