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Hyaluronic Acid Intensifier (H.A.) Hyaluronic acid serum

Hyaluronic Acid Intensifier (H.A.) is rated 4.6 out of 5 by 469.
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A multi-functional corrective serum to help amplify skin’s hyaluronic acid levels

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In Stock

Product Details

H.A. Intensifier is a multi-beneficial corrective serum proven to amplify skin’s hyaluronic acid levels. This unique formulation contains a high concentration of pure hyaluronic acid, proxylane™, and botanical extracts of licorice root and purple rice to support skin’s hyaluronic acid levels and deliver surface hydration, helping improve the visible appearance of firmness, smoothness, and facial plumpness. This hyaluronic acid serum may be used as part of a home skincare regimen after dermal fillers; always consult with your physician for individual at-home advice.

  • Amplifies skin’s hyaluronic acid levels by 30%
  • Reduces the look of crow’s feet, nasolabial folds (parenthesis around the mouth or laugh lines), and marionette lines (lines from the corners of the mouth down to chin) for smoother, firmer skin
  • Delivers long lasting hydration to visibly improve skin’s texture
  • Unique serum-gel texture format creates a smooth canvas on skin
  • Paraben- and dye-free, ideal for all skin types
  • Can be used as home care after dermal fillers; always consult with a physician for individual regimen recommendations

Learn more about the science behind H.A. Intensifier

How To Use

Once or twice daily, apply 4-6 drops to the palm of the hand and dab onto forehead, cheeks, chin, and neck. Blend the product into skin. If using in the morning, apply after a SkinCeuticals vitamin C antioxidant serum and before a SkinCeuticals sunscreen. If using with a retinol at night, apply after retinol.

  • Visible Results

  • before

    In a 12-week clinical study, H.A. Intensifier significantly improved the appearance of key aging indicators:

    • 23% improvement in plumpness
    • 9% decrease in sagginess
    • 11% improvement in firmness
    • 13% improvement in elasticity
    • 18% improvement in texture

    See Protocol

    Protocol: Average results shown. A 12-week, single-center, clinical study was conducted on 59 females, ages 42-60, with mild to moderate facial sagging and loss of firmness, rough skin texture, nasolabial fold wrinkles, marionette lines, and presence of fine lines/wrinkles in the crow’s feet area. H.A. Intensifier was used twice daily in conjunction with SkinCeuticals Gentle Cleanser and a sunscreen. Efficacy and tolerability evaluations were conducted at baseline and at weeks 4, 8, and 12.

  • Science & Proof

  • Science

    Hyaluronic acid naturally occurs in the skin and plays an important role in maintaining moisture. This essential molecule however has a short lifecycle in skin, with 30%-50% degrading every 24 hours. With age, the skin’s ability to produce hyaluronic acid decreases. Production starts to decline in the 20s and this decline accelerates in the 40s. Decreased production rapid degradation of hyaluronic acid contribute to signs of aging, including decreased firmness, less facial plumpness, and rough texture.

    While hyaluronic acid is a powerful hydrator, the size of the hyaluronic acid molecules are too large for optimal skin absorption. H.A. Intensifier uniquely combines surface-hydrating hyaluronic acid with 10% proxylane™ and an optimal concentration of licorice and purple rice extracts to support skin’s hyaluronic acid levels.

Key Ingredients

  • 10% Proxylane™
  • 2.0% Licorice Root Extract (dipotassium glycyrrhizate) + 0.2% Purple Rice Extract
  • 1.3% Hyaluronic Acid

Supports skin’s hyaluronic acid levels to help improve the appearance of skin firmness.

Learn more about Proxylane™

See all ingredients


Physician Insight

Physician image

We initially had our injectable patients use H.A. Intensifier to enhance their results but found the feedback so positive that we now recommend it to most patients looking to diminish signs of aging.

Dr. Jerome Potozkin – Potozkin MD

Learn about Dr. Jerome Potozkin

Complete Your Regimen


Rated 5 out of 5 by from Works great I love skinceuticals-Hyaluronic Acid Intensifier. It help my skin look more firm and less saggy. My skin does not feel oily, but hydrated refreshed and smooth.
Date published: 2020-05-24
Rated 3 out of 5 by from Lovely but... Too pricey for the results. Do like how it makes my skin feel though.
Date published: 2020-05-24
Rated 5 out of 5 by from In loveee. This stuff makes my skin so soft and keeos it moisturized all day long no matter what activities I'm doing. Since starting use I've also seen a reduction in my fine lines and I've been more than happy with the results!
Date published: 2020-05-23
Rated 5 out of 5 by from feels great on my skin I love how this feels on my skin. My moisturizer goes on smoothly and leaves my face feeling hydrated.
Date published: 2020-05-23
Rated 1 out of 5 by from Love Skinceuticals Hyaluronic Acid Serum I received a sample of this treasure HA serum. It was so hydrating and skin beautifully.
Date published: 2020-05-22
Rated 3 out of 5 by from great sample idea but tiny i recieved a sample but its a one day sample. While it felt fine it did nothing for me.
Date published: 2020-05-22
Rated 5 out of 5 by from Does a great job! I got a sample of this 3 weeks ago, I've been using it since then. It's dramatically reduced the appearance of my fine lines around my eyes and mouth. Not too greasy, and a little goes a long way...
Date published: 2020-05-22
Rated 5 out of 5 by from The Best Skincare Regimen There is nothing like the SkinCeuticals skin care line. I've only been able to get samples so far, but I've been using them religiously and my skin has improved so much. I highly recommend trying these products and I will be purchasing as soon as I can afford to!
Date published: 2020-05-22
Rated 5 out of 5 by from Great features! This serum has helped with fine lines I have on my face . I love that it doesn't feel heavy and sticky on my skin
Date published: 2020-05-21
Rated 5 out of 5 by from Actually works! I have heard the praises of using various hyaluronic acid products for a couple of years now. This is the third prestige product I have tried, but it is the first one that ACTUALLY WORKS! I highly recommend it.
Date published: 2020-05-10
Rated 5 out of 5 by from Extraordinary Product I have been using Skin Ceutical products for years. C&E Ferulic is phenomenal. I started using the HA Intensifier about a year ago and it is an amazing product. I saw immediate results. I apply after my C&E and I cannot believe the results. My skin is so hydrated and plump. I am 75 years old and acquaintenances stop me all the time to ask me what Imuse on my skin. The answer is simple; my Skin Ceutical regimen. There is nothing on the market to surpass these products. HA is a must have!
Date published: 2020-05-07
Rated 5 out of 5 by from You get what you pay for Hesitate no longer and add this perfect product to your cart! I am a huge skin care lady and have tried a few different hyaluronic acids, and this one beats them all! It leaves your skin feeling soft and smooth. I bought this product for my dehydrated skin, and boy does it work. I know it's a pretty penny, but so worth the investment. I use mine every night and it lasts about six months. Defiantly recommend!
Date published: 2020-04-06
Rated 5 out of 5 by from awesome It really works well if you use in combination of the other skin care products. It's an investment of your skin and well worth it.
Date published: 2020-03-22
Rated 1 out of 5 by from No change in my skin I see no change whatsoever in my skin. I bought the whole Skinceuticals line and in my opinion, it's not worth the money. Sorry to say this. I was very excited about the products but sadly see no difference in my skin after several weeks of religious use, so I will not purchase again.
Date published: 2020-03-12
Rated 5 out of 5 by from Best Hydration on the Market This is absolutely hands down the best hydration serum on the market. Instantly plumps and smooths lines.
Date published: 2020-03-11
Rated 5 out of 5 by from The best ever I tried this a little while ago and i just could not come across what it was for the longest but when i say NOTHING had ever worked for my skin BUT this i mean it! i had the tester and just with the tiny tester tube i knew i had to splurge for this, after ll it is my skin. very highky recommended!!
Date published: 2020-03-05
Rated 5 out of 5 by from Great product I got a sample in the mail and love it! I see a difference already even though I only used it a short time. It's kind of pricey so I'll have to wait to get it.
Date published: 2020-03-04
Rated 5 out of 5 by from It This so good bought it a month ago it was awesome use this guys
Date published: 2020-02-29
Rated 4 out of 5 by from Very Nice I have use other HA products. I like the delivery, texture of this. I do believe it is beneficial. I will order again.
Date published: 2020-02-23
Rated 5 out of 5 by from Love the results! I love this product and have seen dramatic improvement in terms of how smooth and firm my skin has become. I also read somewhere that you should apply to damp skin then seal with heavier moisturizers or wet your fingers and apply then seal. I do the latter and it works like a charm.
Date published: 2020-02-21
Rated 5 out of 5 by from Great!!! I tried the sample I am DEFINITELY buying one or two!
Date published: 2020-01-14
Rated 3 out of 5 by from I don't get it. I received a sample of a Skinceuticals product but it had denatured alcohol. I had to stop using it. Now I received a sample of the H.A. Intensifier and denatured alcohol is the 4th ingredient out of 38. I'd expect more out of Skinceuticals.
Date published: 2019-12-05
Rated 5 out of 5 by from Love it! It’s been 3 weeks since I started using this product am/pm. I should also mention that at the same time I introduced the Glycolic 10 at night to my regime as well. The clincher was a comparison photo that was taken at my dermatologist’s office 8 weeks ago. What an improvement! My skin is much firmer, feels smoother and no breakouts, no peeling. I can’t say whether it’s HA or the glycolic serum at night, but I won’t be without either one from here on in!
Date published: 2019-11-28
Rated 1 out of 5 by from Cannot tell a difference Honestly, there are Skinceutical products that are amazing and some that I cannot tell a difference. My intention is not to discredit the product, I just cannot notice any changes in my skin after using the product.
Date published: 2019-11-25
Rated 5 out of 5 by from Great Product I love love love this product it left my skin feeling smooth after a week. I have tried so many product to improve my skin texture and I couldn’t be happier
Date published: 2019-11-14
Rated 4 out of 5 by from color of serum I have used this product for 2 years and really like it. I am puzzled about the lack of color in my most recent bottle.
Date published: 2019-11-11
Rated 5 out of 5 by from Fantastic! I do not ever want to go a day without this product!
Date published: 2019-11-05
Rated 2 out of 5 by from Great product. Package fail I have used this product for a month and although I do like it a lot, I will not purchase again because of the packaging. It is misleading how much actual product you receive. It appears the bottle is full but when I could not get more out of the pump, I opened it up and the product is contained in a small plastic tube inside the bottle. I love the skinCeuticals products but this one is a miss.
Date published: 2019-09-23
Rated 4 out of 5 by from This product is a great. I brought this produce 3 weeks ago and my skin looks and feel great. I will definitely repurchase this product
Date published: 2019-09-21
Rated 3 out of 5 by from Wonderful product—absolutely horrible design I absolutely love this product. However, the packaging in the bottle will not allow all of the product to be released. It is unlikely that I would purchase again with such a poor design. At this price point, product should not be “captured” in the bottle and end up in the trash.
Date published: 2019-09-19
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