SkinCeuticals Hyaluronic Acid Intensifier (H.A.)

SKU: 3606000436367

SkinCeuticals Hyaluronic Acid Intensifier (H.A.)

SKU: 3606000436367
Regular price $110.00
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What It Is: A multi-functional corrective serum to help amplify skin's hyaluronic acid levels.

What It Does: 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 part of a home skincare regimen after dermal fillers; always consult 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 the chin) for smoother, firmer skin
  • Delivers long-lasting hydration to improve skin's texture visibly
  • The unique serum-gel texture format creates a smooth canvas on the skin
  • Paraben- and dye-free, ideal for all skin types
  • It can be used as home care after dermal fillers; always consult a physician for individual regimen recommendations.
  • TSA Approved 

Science and Proof: Hyaluronic acid naturally occurs in the skin and plays a vital role in maintaining moisture. This essential molecule, however, has a short lifecycle in the skin, with 30%-50% degradation every 24 hours. With age, the skin's ability to produce hyaluronic acid decreases. Production starts to decline in the 20s, accelerating in the 40s. Reduced production and 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 is 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 the skin's hyaluronic acid levels.

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 the 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 sunscreen. Efficacy and tolerability evaluations were conducted at baseline and at weeks 4, 8, and 12.

Key Ingredients:

  • 10% Proxylanetm: Supports skin's hyaluronic acid levels to help improve the appearance of skin firmness.
  • 2.0% Licorice Root Extract (Dipotassium Glycyrrhizate) + 0.2% Purple Rice Extract: These potent ingredients work together to help preserve hyaluronic acid content in the skin.
  • 1.3% Hyaluronic Acid: This powerful natural humectant provides long-lasting hydration to improve the look of skin texture.

How To Use: Once or twice daily, apply 4-6 drops to the palm and dab onto the forehead, cheeks, chin, and neck. Blend the product into the 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.

Size: 1 oz / 30 ml


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