Why we use Cationic Hyaluronic Acid

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why we use hydroxypropyltrimonium hyaluronate

Hydroxypropyltrimonium Hyaluronate: Advanced Hydration and Barrier Support

Hydroxypropyltrimonium Hyaluronate is a cationic derivative of hyaluronic acid, engineered to enhance moisture retention and skin adhesion. Unlike traditional hyaluronic acid, this positively charged molecule binds effectively to the skin, forming a long-lasting hydration film. This modification increases its substantivity, making it particularly effective in both leave-on and rinse-off formulations.

How It’s Made: Enhanced Molecular Adhesion

Hydroxypropyltrimonium Hyaluronate is produced through a targeted chemical modification process that introduces hydroxypropyl groups and quaternary ammonium compounds to the hyaluronic acid molecule. These modifications increase its electrostatic attraction to the skin, allowing for better adhesion and prolonged hydration. The result is a film-forming humectant that draws in moisture while preventing transepidermal water loss (TEWL), leading to a plumper, more hydrated complexion.

Skin Benefits of Hydroxypropyltrimonium Hyaluronate

Superior Moisture Retention

Hydroxypropyltrimonium Hyaluronate functions as a powerful humectant, attracting water to the skin and locking it in with a breathable film. Its cationic charge ensures superior adhesion, meaning hydration benefits last longer than traditional hyaluronic acid.¹

Barrier Protection and Elasticity Support

This advanced hyaluronic acid derivative helps reinforce the skin’s protective barrier, reducing moisture loss and improving elasticity. Clinical studies have demonstrated that cationic hyaluronic acid significantly enhances skin hydration levels, leading to a more resilient, plump appearance.¹

Clinical Efficacy in Skincare and Cleansers

Long-Lasting Hydration in Leave-On Formulations

In clinical trials, Hydroxypropyltrimonium Hyaluronate increased moisture retention and improved skin hydration over 24 hours, demonstrating greater substantivity than conventional hyaluronic acid. It has also been shown to strengthen the skin barrier, minimising environmental dehydration.¹

Hydration That Lasts Beyond Cleansing

Unlike standard hyaluronic acid, Hydroxypropyltrimonium Hyaluronate remains on the skin even after rinsing, making it highly effective in wash-off formulations like cleansers. Studies indicate that its cationic nature allows it to deposit on the skin, maintaining hydration post-wash and preventing tightness or dryness after cleansing.²

references

1 Blanc Catala J, Zanchetta C, François C, Chapuis E, Joset N, Meunier M, et al. Evaluation of the hydrating benefits of a cationic hyaluronic acid: From biological evaluation to consumer home use trial. Int J Cosmet Sci. 2024; 46: 795–805. doi: 10.1111/ics.12965 Evaluation of the hydrating benefits of a cationic hyaluronic acid: From biological evaluation to consumer home use trial.
2 KR101014652B1 - Cosmetic composition for washing - Google Patents. (2008, August). Google.com. KR101014652B1 - Cosmetic composition for washing - Google Patents